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smartfp / sunplus_gcm394 video register location notes based on code analysis (#5020)
* documenting smartfp register use based on code analysis * terminology changes (nw) * video register info based on code analysis (nw) * shuffle (nw) * shuffle (nw) * (nw) * (nw) * mapping out register use (nw) * (nw) * (nw) * (nw) * (nw) * (nw) * (nw) * (nw)
This commit is contained in:
David Haywood
R. Belmont
parent
d463c7dbe7
commit
ca9a85a8d1
@ -25,8 +25,11 @@
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#include "unspdasm.h"
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DEFINE_DEVICE_TYPE(UNSP, unsp_device, "unsp", "SunPlus u'nSP (ISA 1.0)")
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// 1.1 is just 1.0 with better CPI?
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DEFINE_DEVICE_TYPE(UNSP_11, unsp_11_device, "unsp_11", "SunPlus u'nSP (ISA 1.1)")
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DEFINE_DEVICE_TYPE(UNSP_12, unsp_12_device, "unsp_12", "SunPlus u'nSP (ISA 1.2)") // found on GCM394 die, has extra instructions
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// it's possible that most unSP systems we emulate are 1.2, but are not using 99% of the additional features / instructions over 1.0 (only enable_irq and enable_fiq are meant to be 1.2 specific and used, but that could be a research error)
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DEFINE_DEVICE_TYPE(UNSP_12, unsp_12_device, "unsp_12", "SunPlus u'nSP (ISA 1.2)")
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// found on GCM394 die (based on use of 2 extended push/pop opcodes in the smartfp irq), has extra instructions
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DEFINE_DEVICE_TYPE(UNSP_20, unsp_20_device, "unsp_20", "SunPlus u'nSP (ISA 2.0)")
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/* size of the execution code cache */
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@ -9,6 +9,13 @@
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#include "emu.h"
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#include "sunplus_gcm394.h"
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#define LOG_GCM394 (1U << 1)
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#define LOG_GCM394_UNMAPPED (1U << 0)
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#define VERBOSE (LOG_GCM394_UNMAPPED)
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#include "logmacro.h"
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DEFINE_DEVICE_TYPE(GCM394, sunplus_gcm394_device, "gcm394", "SunPlus GCM394 System-on-a-Chip")
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sunplus_gcm394_device::sunplus_gcm394_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
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@ -16,27 +23,331 @@ sunplus_gcm394_device::sunplus_gcm394_device(const machine_config &mconfig, cons
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{
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}
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// **************************************** TILEMAP 0 *************************************************
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READ16_MEMBER(sunplus_gcm394_base_device::tmap0_regs_r) { return tmap0_regs[offset]; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::tmap0_regs_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap0_regs_w %01x %04x\n", machine().describe_context(), offset, data);
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tmap0_regs[offset] = data;
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::tmap0_unk0_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap0_unk0_w %04x\n", machine().describe_context(), data);
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::tmap0_unk1_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap0_unk0_w %04x\n", machine().describe_context(), data);
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}
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// **************************************** TILEMAP 1 *************************************************
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READ16_MEMBER(sunplus_gcm394_base_device::tmap1_regs_r) { return tmap1_regs[offset]; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::tmap1_regs_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap1_regs_w %01x %04x\n", machine().describe_context(), offset, data);
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tmap1_regs[offset] = data;
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::tmap1_unk0_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap0_unk0_w %04x\n", machine().describe_context(), data);
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::tmap1_unk1_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::tmap0_unk0_w %04x\n", machine().describe_context(), data);
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}
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// **************************************** unknown video device 0 (another tilemap? sprite layer?) *************************************************
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WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device0_regs_w)
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{
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// offsets 0,1,4,5,6,7 used in main IRQ code
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// offsets 2,3 only cleared on startup
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device0_regs_w %01x %04x\n", machine().describe_context(), offset, data);
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device0_unk0_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device0_unk0_w %04x\n", machine().describe_context(), data);
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device0_unk1_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device0_unk1_w %04x\n", machine().describe_context(), data);
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}
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// **************************************** unknown video device 1 (another tilemap? sprite layer?) *************************************************
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WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device1_regs_w)
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{
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// offsets 0,1,4,5,6,7 used in main IRQ code
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// offsets 2,3 only cleared on startup
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device1_regs_w %01x %04x\n", machine().describe_context(), offset, data);
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device1_unk0_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device1_unk0_w %04x\n", machine().describe_context(), data);
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device1_unk1_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device1_unk1_w %04x\n", machine().describe_context(), data);
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}
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// **************************************** unknown video device 2 (sprite control?) *************************************************
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WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device2_unk0_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device2_unk0_w %04x\n", machine().describe_context(), data);
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device2_unk1_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device2_unk1_w %04x\n", machine().describe_context(), data);
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::unknown_video_device2_unk2_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unknown_video_device2_unk2_w %04x\n", machine().describe_context(), data);
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}
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// **************************************** video DMA device *************************************************
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_dma_source_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_dma_source_w %04x\n", machine().describe_context(), data);
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_dma_dest_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_dma_dest_w %04x\n", machine().describe_context(), data);
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}
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READ16_MEMBER(sunplus_gcm394_base_device::video_dma_size_r)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_dma_size_r\n", machine().describe_context());
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return 0x0000;
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_dma_size_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_dma_size_w %04x\n", machine().describe_context(), data);
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_dma_unk_w)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_dma_unk_w %04x\n", machine().describe_context(), data);
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}
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// ***********************************************************************************
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// **************************************** SYSTEM DMA device *************************************************
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READ16_MEMBER(sunplus_gcm394_base_device::system_dma_status_r)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::system_dma_status_r (7abf)\n", machine().describe_context());
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return 0x0001;
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::system_dma_params_w)
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{
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m_dma_params[offset] = data;
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::sys_dma_params_w %01x %04x\n", machine().describe_context(), offset, data);
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}
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WRITE16_MEMBER(sunplus_gcm394_base_device::system_dma_trigger_w)
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{
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uint16_t mode = m_dma_params[0];
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uint16_t sourcelow = m_dma_params[1];
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uint16_t dest = m_dma_params[2];
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uint16_t length = m_dma_params[3];
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uint16_t srchigh = m_dma_params[4];
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LOGMASKED(LOG_GCM394, "%s:possible DMA operation (7abf) (trigger %04x) with params mode:%04x source:%04x dest:%04x length:%04x srchigh:%04x unk:%04x unk:%04x\n", machine().describe_context(), data, mode, sourcelow, dest, length, srchigh, m_dma_params[5], m_dma_params[6]);
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uint32_t source = sourcelow | (srchigh << 16);
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// wrlshunt uses the extra params, might be doing very large ROM -> RAM transfers with even more upper address bits?
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if (mode == 0x0089) // no source inc, used for memory clear operations? (source usually points at stack value)
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{
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for (int i = 0; i < length; i++)
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{
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address_space& mem = m_cpu->space(AS_PROGRAM);
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uint16_t val = mem.read_word(source);
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mem.write_word(dest, val);
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dest += 1;
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}
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}
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else if (mode == 0x0009) // regular copy? (smartfp does 2 copies like this after the initial clears, source definitely points at a correctly sized data structure)
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{
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for (int i = 0; i < length; i++)
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{
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address_space& mem = m_cpu->space(AS_PROGRAM);
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uint16_t val = mem.read_word(source);
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mem.write_word(dest, val);
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dest += 1;
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source += 1;
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}
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}
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else
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{
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LOGMASKED(LOG_GCM394, "unhandled!\n");
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}
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m_dma_params[0] = m_dma_params[1] = m_dma_params[2] = m_dma_params[3] = m_dma_params[4] = m_dma_params[5] = m_dma_params[6] = 0x0000;
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//machine().debug_break();
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}
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// single bit on/off operations?
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READ16_MEMBER(sunplus_gcm394_base_device::video_707f_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_707f_r\n", machine().describe_context()); return m_707f; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_707f_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_707f_w %04x\n", machine().describe_context(), data); m_707f = data; }
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READ16_MEMBER(sunplus_gcm394_base_device::video_703a_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_703a_r\n", machine().describe_context()); return m_703a; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_703a_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_703a_w %04x\n", machine().describe_context(), data); m_703a = data; }
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READ16_MEMBER(sunplus_gcm394_base_device::video_7062_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7062_r\n", machine().describe_context()); return m_7062; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7062_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7062_w %04x\n", machine().describe_context(), data); m_7062 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7063_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7063_w %04x\n", machine().describe_context(), data); m_7063 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_702a_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_702a_w %04x\n", machine().describe_context(), data); m_702a = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7030_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7030_w %04x\n", machine().describe_context(), data); m_7030 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_703c_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_703c_w %04x\n", machine().describe_context(), data); m_703c = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7080_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7080_w %04x\n", machine().describe_context(), data); m_7080 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7081_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7081_w %04x\n", machine().describe_context(), data); m_7081 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7082_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7082_w %04x\n", machine().describe_context(), data); m_7082 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7083_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7083_w %04x\n", machine().describe_context(), data); m_7083 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7084_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7084_w %04x\n", machine().describe_context(), data); m_7084 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7085_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7085_w %04x\n", machine().describe_context(), data); m_7085 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7086_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7086_w %04x\n", machine().describe_context(), data); m_7086 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7087_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7087_w %04x\n", machine().describe_context(), data); m_7087 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::video_7088_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7088_w %04x\n", machine().describe_context(), data); m_7088 = data; }
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READ16_MEMBER(sunplus_gcm394_base_device::video_7083_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::video_7083_r\n", machine().describe_context()); return m_7083; }
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// **************************************** 78xx region with some handling *************************************************
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READ16_MEMBER(sunplus_gcm394_base_device::unkarea_780f_status_r)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_780f_status_r\n", machine().describe_context());
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return 0x0002;
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}
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READ16_MEMBER(sunplus_gcm394_base_device::unkarea_78fb_status_r)
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{
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LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_78fb_status_r\n", machine().describe_context());
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m_78fb ^= 0x0100; // status flag for something?
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return m_78fb;
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}
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// sets bit 0x0002 then expects it to have cleared
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READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7819_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7819_r\n", machine().describe_context()); return m_7819 & ~ 0x0002; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7819_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7819_w %04x\n", machine().describe_context(), data); m_7819 = data; }
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// **************************************** 78xx region stubs *************************************************
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READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7868_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7868_r\n", machine().describe_context()); return 0x0000; }
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READ16_MEMBER(sunplus_gcm394_base_device::unkarea_782d_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_782d_r\n", machine().describe_context()); return m_782d; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_782d_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_782d_w %04x\n", machine().describe_context(), data); m_782d = data; }
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READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7803_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7803_r\n", machine().describe_context()); return m_7803; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7803_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7803_w %04x\n", machine().describe_context(), data); m_7803 = data; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7807_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7807_w %04x\n", machine().describe_context(), data); m_7807 = data; }
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READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7810_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7810_r\n", machine().describe_context()); return m_7810; }
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WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7810_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7810_w %04x\n", machine().describe_context(), data); m_7810 = data; }
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|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7816_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7816_w %04x\n", machine().describe_context(), data); m_7816 = data; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7817_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7817_w %04x\n", machine().describe_context(), data); m_7817 = data; }
|
||||
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7820_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7820_w %04x\n", machine().describe_context(), data); m_7820 = data; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7821_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7821_w %04x\n", machine().describe_context(), data); m_7821 = data; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7822_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7822_w %04x\n", machine().describe_context(), data); m_7822 = data; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7823_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7823_w %04x\n", machine().describe_context(), data); m_7823 = data; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7824_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7824_w %04x\n", machine().describe_context(), data); m_7824 = data; }
|
||||
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7835_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7835_w %04x\n", machine().describe_context(), data); m_7835 = data; }
|
||||
|
||||
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7860_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7860_r\n", machine().describe_context()); return m_7860; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7860_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7860_w %04x\n", machine().describe_context(), data); m_7860 = data; }
|
||||
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7861_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7861_r\n", machine().describe_context()); return m_7861; }
|
||||
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7862_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7862_r\n", machine().describe_context()); return m_7862; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7862_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7862_w %04x\n", machine().describe_context(), data); m_7862 = data; }
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7863_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7863_r\n", machine().describe_context()); return m_7863; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7863_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7863_w %04x\n", machine().describe_context(), data); m_7863 = data; }
|
||||
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7870_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7870_r\n", machine().describe_context()); return m_7870; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7870_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7870_w %04x\n", machine().describe_context(), data); m_7870 = data; }
|
||||
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7871_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7871_r\n", machine().describe_context()); return m_7871; }
|
||||
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7872_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7872_r\n", machine().describe_context()); return m_7872; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7872_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7872_w %04x\n", machine().describe_context(), data); m_7872 = data; }
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7873_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7873_r\n", machine().describe_context()); return m_7873; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7873_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7873_w %04x\n", machine().describe_context(), data); m_7873 = data; }
|
||||
|
||||
|
||||
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7882_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7882_r\n", machine().describe_context()); return m_7882; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7882_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7882_w %04x\n", machine().describe_context(), data); m_7882 = data; }
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7883_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7883_r\n", machine().describe_context()); return m_7883; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7883_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7883_w %04x\n", machine().describe_context(), data); m_7883 = data; }
|
||||
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_78a0_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_78a0_w %04x\n", machine().describe_context(), data); m_78a0 = data; }
|
||||
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_78a4_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_78a4_w %04x\n", machine().describe_context(), data); m_78a4 = data; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_78a5_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_78a5_w %04x\n", machine().describe_context(), data); m_78a5 = data; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_78a6_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_78a6_w %04x\n", machine().describe_context(), data); m_78a6 = data; }
|
||||
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_78a8_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_78a8_w %04x\n", machine().describe_context(), data); m_78a8 = data; }
|
||||
|
||||
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_78b0_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_78b0_w %04x\n", machine().describe_context(), data); m_78b0 = data; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_78b1_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_78b1_w %04x\n", machine().describe_context(), data); m_78b1 = data; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_78b2_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_78b2_w %04x\n", machine().describe_context(), data); m_78b2 = data; }
|
||||
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_78b8_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_78b8_w %04x\n", machine().describe_context(), data); m_78b8 = data; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_78f0_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_78f0_w %04x\n", machine().describe_context(), data); m_78f0 = data; }
|
||||
|
||||
// **************************************** 79xx region stubs *************************************************
|
||||
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7934_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7934_r\n", machine().describe_context()); return m_7934; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7934_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7934_w %04x\n", machine().describe_context(), data); m_7934 = data; }
|
||||
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unkarea_7936_r) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7936_r\n", machine().describe_context()); return m_7936; }
|
||||
WRITE16_MEMBER(sunplus_gcm394_base_device::unkarea_7936_w) { LOGMASKED(LOG_GCM394, "%s:sunplus_gcm394_base_device::unkarea_7936_w %04x\n", machine().describe_context(), data); m_7936 = data; }
|
||||
|
||||
// **************************************** fallthrough logger etc. *************************************************
|
||||
|
||||
READ16_MEMBER(sunplus_gcm394_base_device::unk_r)
|
||||
{
|
||||
switch (offset)
|
||||
{
|
||||
|
||||
case 0x80f:
|
||||
logerror("%s:sunplus_gcm394_base_device::unk_r @ 0x%04x\n", machine().describe_context(), offset + 0x7000);
|
||||
return 0x0002;
|
||||
|
||||
case 0x8fb:
|
||||
logerror("%s:sunplus_gcm394_base_device::unk_r @ 0x%04x\n", machine().describe_context(), offset + 0x7000);
|
||||
m_78fb ^= 0x0100; // status flag for something?
|
||||
return m_78fb;
|
||||
|
||||
case 0xabf:
|
||||
logerror("%s:sunplus_gcm394_base_device::unk_r @ 0x%04x\n", machine().describe_context(), offset + 0x7000);
|
||||
return 0x0001;
|
||||
|
||||
default:
|
||||
LOGMASKED(LOG_GCM394_UNMAPPED, "%s:sunplus_gcm394_base_device::unk_r @ 0x%04x\n", machine().describe_context(), offset + 0x7000);
|
||||
return 0x0000;
|
||||
}
|
||||
|
||||
logerror("%s:sunplus_gcm394_base_device::unk_r @ 0x%04x\n", machine().describe_context(), offset + 0x7000);
|
||||
return 0x0000;
|
||||
}
|
||||
|
||||
@ -45,64 +356,8 @@ WRITE16_MEMBER(sunplus_gcm394_base_device::unk_w)
|
||||
|
||||
switch (offset)
|
||||
{
|
||||
|
||||
case 0xa80:
|
||||
case 0xa81:
|
||||
case 0xa82:
|
||||
case 0xa83:
|
||||
case 0xa84:
|
||||
case 0xa85:
|
||||
case 0xa86:
|
||||
m_dma_params[offset - 0xa80] = data;
|
||||
break;
|
||||
|
||||
case 0xabf:
|
||||
{
|
||||
uint16_t mode = m_dma_params[0];
|
||||
uint16_t sourcelow = m_dma_params[1];
|
||||
uint16_t dest = m_dma_params[2];
|
||||
uint16_t length = m_dma_params[3];
|
||||
uint16_t srchigh = m_dma_params[4];
|
||||
|
||||
logerror("%s:possible DMA operation @ 0x%04x (trigger %04x) with params mode:%04x source:%04x dest:%04x length:%04x srchigh:%04x unk:%04x unk:%04x\n", machine().describe_context(), offset + 0x7000, data, mode, sourcelow, dest, length, srchigh, m_dma_params[5], m_dma_params[6]);
|
||||
|
||||
uint32_t source = sourcelow | (srchigh << 16);
|
||||
|
||||
// wrlshunt uses the extra params, might be doing very large ROM -> RAM transfers with even more upper address bits?
|
||||
|
||||
if (mode == 0x0089) // no source inc, used for memory clear operations? (source usually points at stack value)
|
||||
{
|
||||
for (int i = 0; i < length; i++)
|
||||
{
|
||||
address_space& mem = m_cpu->space(AS_PROGRAM);
|
||||
uint16_t val = mem.read_word(source);
|
||||
mem.write_word(dest, val);
|
||||
dest += 1;
|
||||
}
|
||||
}
|
||||
else if (mode == 0x0009) // regular copy? (smartfp does 2 copies like this after the initial clears, source definitely points at a correctly sized data structure)
|
||||
{
|
||||
for (int i = 0; i < length; i++)
|
||||
{
|
||||
address_space& mem = m_cpu->space(AS_PROGRAM);
|
||||
uint16_t val = mem.read_word(source);
|
||||
mem.write_word(dest, val);
|
||||
dest += 1;
|
||||
source += 1;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
logerror("unhandled!\n");
|
||||
}
|
||||
|
||||
m_dma_params[0] = m_dma_params[1] = m_dma_params[2] = m_dma_params[3] = m_dma_params[4] = m_dma_params[5] = m_dma_params[6] = 0x0000;
|
||||
//machine().debug_break();
|
||||
break;
|
||||
}
|
||||
|
||||
default:
|
||||
logerror("%s:sunplus_gcm394_base_device::unk_w @ 0x%04x (data 0x%04x)\n", machine().describe_context(), offset + 0x7000, data);
|
||||
LOGMASKED(LOG_GCM394_UNMAPPED, "%s:sunplus_gcm394_base_device::unk_w @ 0x%04x (data 0x%04x)\n", machine().describe_context(), offset + 0x7000, data);
|
||||
break;
|
||||
}
|
||||
}
|
||||
@ -110,19 +365,158 @@ WRITE16_MEMBER(sunplus_gcm394_base_device::unk_w)
|
||||
void sunplus_gcm394_base_device::map(address_map &map)
|
||||
{
|
||||
map(0x000000, 0x006fff).ram();
|
||||
map(0x007000, 0x007fff).rw(FUNC(sunplus_gcm394_base_device::unk_r), FUNC(sunplus_gcm394_base_device::unk_w));
|
||||
map(0x007000, 0x007fff).rw(FUNC(sunplus_gcm394_base_device::unk_r), FUNC(sunplus_gcm394_base_device::unk_w)); // catch unhandled
|
||||
|
||||
// ######################################################################################################################################################################################
|
||||
// 70xx region = video hardware
|
||||
// ######################################################################################################################################################################################
|
||||
|
||||
// note, tilemaps are at the same address offsets in video device as spg2xx (but unknown devices are extra)
|
||||
|
||||
map(0x007000, 0x007007).w(FUNC(sunplus_gcm394_base_device::unknown_video_device0_regs_w)); // gcm394_video_device::
|
||||
map(0x007008, 0x00700f).w(FUNC(sunplus_gcm394_base_device::unknown_video_device1_regs_w)); // gcm394_video_device::
|
||||
|
||||
map(0x007010, 0x007015).rw(FUNC(sunplus_gcm394_base_device::tmap0_regs_r), FUNC(sunplus_gcm394_base_device::tmap0_regs_w)); // gcm394_video_device::
|
||||
map(0x007016, 0x00701b).rw(FUNC(sunplus_gcm394_base_device::tmap1_regs_r), FUNC(sunplus_gcm394_base_device::tmap1_regs_w)); // gcm394_video_device::
|
||||
|
||||
map(0x007020, 0x007020).w(FUNC(sunplus_gcm394_base_device::tmap0_unk0_w)); // gcm394_video_device:: probably tilebase, written with other tmap0 regs
|
||||
map(0x007021, 0x007021).w(FUNC(sunplus_gcm394_base_device::tmap1_unk0_w)); // gcm394_video_device:: probably tilebase, written with other tmap1 regs
|
||||
map(0x007022, 0x007022).w(FUNC(sunplus_gcm394_base_device::unknown_video_device2_unk0_w)); // gcm394_video_device:: another tilebase? maybe sprites? written as 7022, 702d and 7042 group
|
||||
map(0x007023, 0x007023).w(FUNC(sunplus_gcm394_base_device::unknown_video_device0_unk0_w)); // gcm394_video_device:: written with other unknown_video_device0 regs
|
||||
map(0x007024, 0x007024).w(FUNC(sunplus_gcm394_base_device::unknown_video_device1_unk0_w)); // gcm394_video_device:: written with other unknown_video_device1 regs
|
||||
|
||||
map(0x00702a, 0x00702a).w(FUNC(sunplus_gcm394_base_device::video_702a_w));
|
||||
|
||||
map(0x00702b, 0x00702b).w(FUNC(sunplus_gcm394_base_device::tmap0_unk1_w)); // gcm394_video_device:: written with other tmap0 regs
|
||||
map(0x00702c, 0x00702c).w(FUNC(sunplus_gcm394_base_device::tmap1_unk1_w)); // gcm394_video_device:: written with other tmap1 regs
|
||||
map(0x00702d, 0x00702d).w(FUNC(sunplus_gcm394_base_device::unknown_video_device2_unk1_w)); // gcm394_video_device:: maybe sprites? written as 7022, 702d and 7042 group
|
||||
map(0x00702e, 0x00702e).w(FUNC(sunplus_gcm394_base_device::unknown_video_device0_unk1_w)); // gcm394_video_device:: written with other unknown_video_device0 regs
|
||||
map(0x00702f, 0x00702f).w(FUNC(sunplus_gcm394_base_device::unknown_video_device1_unk1_w)); // gcm394_video_device:: written with other unknown_video_device1 regs
|
||||
|
||||
map(0x007030, 0x007030).w(FUNC(sunplus_gcm394_base_device::video_7030_w));
|
||||
map(0x00703a, 0x00703a).rw(FUNC(sunplus_gcm394_base_device::video_703a_r), FUNC(sunplus_gcm394_base_device::video_703a_w));
|
||||
map(0x00703c, 0x00703c).w(FUNC(sunplus_gcm394_base_device::video_703c_w));
|
||||
|
||||
map(0x007042, 0x007042).w(FUNC(sunplus_gcm394_base_device::unknown_video_device2_unk2_w)); // gcm394_video_device:: maybe sprites? written as 7022, 702d and 7042 group
|
||||
|
||||
map(0x007062, 0x007062).rw(FUNC(sunplus_gcm394_base_device::video_7062_r), FUNC(sunplus_gcm394_base_device::video_7062_w));
|
||||
map(0x007063, 0x007063).w(FUNC(sunplus_gcm394_base_device::video_7063_w));
|
||||
|
||||
// note, 70 / 71 / 72 are the same offsets used for DMA as in spg2xx video device
|
||||
map(0x007070, 0x007070).w(FUNC(sunplus_gcm394_base_device::video_dma_source_w)); // gcm394_video_device:: video dma, not system dma? (sets pointers to ram buffers)
|
||||
map(0x007071, 0x007071).w(FUNC(sunplus_gcm394_base_device::video_dma_dest_w)); // gcm394_video_device:: sets pointers to 7300, 7400 ram areas below
|
||||
map(0x007072, 0x007072).rw(FUNC(sunplus_gcm394_base_device::video_dma_size_r), FUNC(sunplus_gcm394_base_device::video_dma_size_w)); // gcm394_video_device::
|
||||
|
||||
map(0x00707e, 0x00707e).w(FUNC(sunplus_gcm394_base_device::video_dma_unk_w)); // gcm394_video_device:: written around same time as DMA, seems related
|
||||
|
||||
map(0x00707f, 0x00707f).rw(FUNC(sunplus_gcm394_base_device::video_707f_r), FUNC(sunplus_gcm394_base_device::video_707f_w));
|
||||
|
||||
// another set of registers for something?
|
||||
map(0x007080, 0x007080).w(FUNC(sunplus_gcm394_base_device::video_7080_w));
|
||||
map(0x007081, 0x007081).w(FUNC(sunplus_gcm394_base_device::video_7081_w));
|
||||
map(0x007082, 0x007082).w(FUNC(sunplus_gcm394_base_device::video_7082_w));
|
||||
map(0x007083, 0x007083).rw(FUNC(sunplus_gcm394_base_device::video_7083_r), FUNC(sunplus_gcm394_base_device::video_7083_w));
|
||||
map(0x007084, 0x007084).w(FUNC(sunplus_gcm394_base_device::video_7084_w));
|
||||
map(0x007085, 0x007085).w(FUNC(sunplus_gcm394_base_device::video_7085_w));
|
||||
map(0x007086, 0x007086).w(FUNC(sunplus_gcm394_base_device::video_7086_w));
|
||||
map(0x007087, 0x007087).w(FUNC(sunplus_gcm394_base_device::video_7087_w));
|
||||
map(0x007088, 0x007088).w(FUNC(sunplus_gcm394_base_device::video_7088_w));
|
||||
|
||||
// ######################################################################################################################################################################################
|
||||
// 73xx-77xx = ram areas?
|
||||
// ######################################################################################################################################################################################
|
||||
|
||||
map(0x007300, 0x0073ff).ram();
|
||||
map(0x007400, 0x0074ff).ram();
|
||||
map(0x007500, 0x0075ff).ram();
|
||||
map(0x007600, 0x0076ff).ram();
|
||||
map(0x007700, 0x0077ff).ram();
|
||||
|
||||
// ######################################################################################################################################################################################
|
||||
// 78xx region = ??
|
||||
// ######################################################################################################################################################################################
|
||||
|
||||
map(0x007803, 0x007803).rw(FUNC(sunplus_gcm394_base_device::unkarea_7803_r), FUNC(sunplus_gcm394_base_device::unkarea_7803_w));
|
||||
|
||||
map(0x007807, 0x007807).w(FUNC(sunplus_gcm394_base_device::unkarea_7807_w));
|
||||
|
||||
map(0x00780f, 0x00780f).r(FUNC(sunplus_gcm394_base_device::unkarea_780f_status_r));
|
||||
|
||||
map(0x007810, 0x007810).rw(FUNC(sunplus_gcm394_base_device::unkarea_7810_r), FUNC(sunplus_gcm394_base_device::unkarea_7810_w));
|
||||
|
||||
map(0x007819, 0x007819).rw(FUNC(sunplus_gcm394_base_device::unkarea_7819_r), FUNC(sunplus_gcm394_base_device::unkarea_7819_w));
|
||||
|
||||
map(0x007816, 0x007816).w(FUNC(sunplus_gcm394_base_device::unkarea_7816_w));
|
||||
map(0x007817, 0x007817).w(FUNC(sunplus_gcm394_base_device::unkarea_7817_w));
|
||||
|
||||
|
||||
map(0x007820, 0x007820).w(FUNC(sunplus_gcm394_base_device::unkarea_7820_w));
|
||||
map(0x007821, 0x007821).w(FUNC(sunplus_gcm394_base_device::unkarea_7821_w));
|
||||
map(0x007822, 0x007822).w(FUNC(sunplus_gcm394_base_device::unkarea_7822_w));
|
||||
map(0x007823, 0x007823).w(FUNC(sunplus_gcm394_base_device::unkarea_7823_w));
|
||||
map(0x007824, 0x007824).w(FUNC(sunplus_gcm394_base_device::unkarea_7824_w));
|
||||
|
||||
map(0x00782d, 0x00782d).rw(FUNC(sunplus_gcm394_base_device::unkarea_782d_r), FUNC(sunplus_gcm394_base_device::unkarea_782d_w)); // on startup
|
||||
|
||||
map(0x007835, 0x007835).w(FUNC(sunplus_gcm394_base_device::unkarea_7835_w));
|
||||
|
||||
map(0x007860, 0x007860).rw(FUNC(sunplus_gcm394_base_device::unkarea_7860_r), FUNC(sunplus_gcm394_base_device::unkarea_7860_w));
|
||||
|
||||
map(0x007861, 0x007861).r(FUNC(sunplus_gcm394_base_device::unkarea_7861_r));
|
||||
map(0x007862, 0x007862).rw(FUNC(sunplus_gcm394_base_device::unkarea_7862_r), FUNC(sunplus_gcm394_base_device::unkarea_7862_w));
|
||||
map(0x007863, 0x007863).rw(FUNC(sunplus_gcm394_base_device::unkarea_7863_r), FUNC(sunplus_gcm394_base_device::unkarea_7863_w));
|
||||
|
||||
map(0x007868, 0x007868).r(FUNC(sunplus_gcm394_base_device::unkarea_7868_r)); // on startup
|
||||
|
||||
map(0x007870, 0x007870).rw(FUNC(sunplus_gcm394_base_device::unkarea_7870_r) ,FUNC(sunplus_gcm394_base_device::unkarea_7870_w));
|
||||
|
||||
map(0x007871, 0x007871).r(FUNC(sunplus_gcm394_base_device::unkarea_7871_r));
|
||||
map(0x007872, 0x007872).rw(FUNC(sunplus_gcm394_base_device::unkarea_7872_r), FUNC(sunplus_gcm394_base_device::unkarea_7872_w));
|
||||
map(0x007873, 0x007873).rw(FUNC(sunplus_gcm394_base_device::unkarea_7873_r), FUNC(sunplus_gcm394_base_device::unkarea_7873_w));
|
||||
|
||||
map(0x007882, 0x007882).rw(FUNC(sunplus_gcm394_base_device::unkarea_7882_r), FUNC(sunplus_gcm394_base_device::unkarea_7882_w));
|
||||
map(0x007883, 0x007883).rw(FUNC(sunplus_gcm394_base_device::unkarea_7883_r), FUNC(sunplus_gcm394_base_device::unkarea_7883_w));
|
||||
|
||||
map(0x0078a0, 0x0078a0).w(FUNC(sunplus_gcm394_base_device::unkarea_78a0_w));
|
||||
|
||||
map(0x0078a4, 0x0078a4).w(FUNC(sunplus_gcm394_base_device::unkarea_78a4_w));
|
||||
map(0x0078a5, 0x0078a5).w(FUNC(sunplus_gcm394_base_device::unkarea_78a5_w));
|
||||
map(0x0078a6, 0x0078a6).w(FUNC(sunplus_gcm394_base_device::unkarea_78a6_w));
|
||||
|
||||
map(0x0078a8, 0x0078a8).w(FUNC(sunplus_gcm394_base_device::unkarea_78a8_w));
|
||||
|
||||
map(0x0078b0, 0x0078b0).w(FUNC(sunplus_gcm394_base_device::unkarea_78b0_w));
|
||||
map(0x0078b1, 0x0078b1).w(FUNC(sunplus_gcm394_base_device::unkarea_78b1_w));
|
||||
map(0x0078b2, 0x0078b2).w(FUNC(sunplus_gcm394_base_device::unkarea_78b2_w));
|
||||
|
||||
map(0x0078b8, 0x0078b8).w(FUNC(sunplus_gcm394_base_device::unkarea_78b8_w));
|
||||
|
||||
map(0x0078f0, 0x0078f0).w(FUNC(sunplus_gcm394_base_device::unkarea_78f0_w));
|
||||
|
||||
map(0x0078fb, 0x0078fb).r(FUNC(sunplus_gcm394_base_device::unkarea_78fb_status_r));
|
||||
|
||||
// ######################################################################################################################################################################################
|
||||
// 79xx region = ??
|
||||
// ######################################################################################################################################################################################
|
||||
|
||||
map(0x007934, 0x007934).rw(FUNC(sunplus_gcm394_base_device::unkarea_7934_r), FUNC(sunplus_gcm394_base_device::unkarea_7934_w));
|
||||
map(0x007936, 0x007936).rw(FUNC(sunplus_gcm394_base_device::unkarea_7936_r), FUNC(sunplus_gcm394_base_device::unkarea_7936_w));
|
||||
|
||||
// ######################################################################################################################################################################################
|
||||
// 7axx region = system (including dma)
|
||||
// ######################################################################################################################################################################################
|
||||
|
||||
map(0x007a80, 0x007a86).w(FUNC(sunplus_gcm394_base_device::system_dma_params_w));
|
||||
map(0x007abf, 0x007abf).rw(FUNC(sunplus_gcm394_base_device::system_dma_status_r), FUNC(sunplus_gcm394_base_device::system_dma_trigger_w));
|
||||
|
||||
// ######################################################################################################################################################################################
|
||||
// 7cxx-7fxx = ram areas?
|
||||
// ######################################################################################################################################################################################
|
||||
|
||||
map(0x007c00, 0x007cff).ram();
|
||||
map(0x007d00, 0x007dff).ram();
|
||||
map(0x007e00, 0x007eff).ram();
|
||||
map(0x007f00, 0x007fff).ram();
|
||||
|
||||
}
|
||||
|
||||
void sunplus_gcm394_base_device::device_start()
|
||||
@ -131,12 +525,98 @@ void sunplus_gcm394_base_device::device_start()
|
||||
|
||||
void sunplus_gcm394_base_device::device_reset()
|
||||
{
|
||||
m_78fb = 0x0000;
|
||||
// 70xx video
|
||||
|
||||
for (int i = 0; i < 7; i++)
|
||||
{
|
||||
m_dma_params[i] = 0x0000;
|
||||
}
|
||||
|
||||
for (int i = 0; i < 6; i++)
|
||||
{
|
||||
tmap0_regs[i] = 0x0000;
|
||||
tmap1_regs[i] = 0x0000;
|
||||
}
|
||||
|
||||
m_707f = 0x0000;
|
||||
m_703a = 0x0000;
|
||||
m_7062 = 0x0000;
|
||||
m_7063 = 0x0000;
|
||||
|
||||
m_702a = 0x0000;
|
||||
m_7030 = 0x0000;
|
||||
m_703c = 0x0000;
|
||||
|
||||
|
||||
m_7080 = 0x0000;
|
||||
m_7081 = 0x0000;
|
||||
m_7082 = 0x0000;
|
||||
m_7083 = 0x0000;
|
||||
m_7084 = 0x0000;
|
||||
m_7085 = 0x0000;
|
||||
m_7086 = 0x0000;
|
||||
m_7087 = 0x0000;
|
||||
m_7088 = 0x0000;
|
||||
|
||||
// 78xx unknown
|
||||
|
||||
m_78fb = 0x0000;
|
||||
m_782d = 0x0000;
|
||||
|
||||
m_7807 = 0x0000;
|
||||
|
||||
m_7810 = 0x0000;
|
||||
|
||||
m_7816 = 0x0000;
|
||||
m_7817 = 0x0000;
|
||||
|
||||
m_7819 = 0x0000;
|
||||
|
||||
m_7820 = 0x0000;
|
||||
m_7821 = 0x0000;
|
||||
m_7822 = 0x0000;
|
||||
m_7823 = 0x0000;
|
||||
m_7824 = 0x0000;
|
||||
|
||||
m_7835 = 0x0000;
|
||||
|
||||
m_7860 = 0x0000;
|
||||
|
||||
m_7861 = 0x0000;
|
||||
|
||||
m_7862 = 0x0000;
|
||||
m_7863 = 0x0000;
|
||||
|
||||
m_7870 = 0x0000;
|
||||
|
||||
m_7871 = 0x0000;
|
||||
|
||||
m_7872 = 0x0000;
|
||||
m_7873 = 0x0000;
|
||||
|
||||
m_7882 = 0x0000;
|
||||
m_7883 = 0x0000;
|
||||
|
||||
m_78a0 = 0x0000;
|
||||
|
||||
m_78a4 = 0x0000;
|
||||
m_78a5 = 0x0000;
|
||||
m_78a6 = 0x0000;
|
||||
|
||||
m_78a8 = 0x0000;
|
||||
|
||||
m_78b0 = 0x0000;
|
||||
m_78b1 = 0x0000;
|
||||
m_78b2 = 0x0000;
|
||||
|
||||
m_78b8 = 0x0000;
|
||||
m_78f0 = 0x0000;
|
||||
|
||||
// 79xx unknown
|
||||
|
||||
m_7934 = 0x0000;
|
||||
m_7936 = 0x0000;
|
||||
|
||||
}
|
||||
|
||||
void sunplus_gcm394_device::device_add_mconfig(machine_config &config)
|
||||
|
||||
@ -37,14 +37,236 @@ protected:
|
||||
|
||||
required_device<unsp_device> m_cpu;
|
||||
required_device<screen_device> m_screen;
|
||||
|
||||
// video 70xx
|
||||
uint16_t tmap0_regs[0x6];
|
||||
uint16_t tmap1_regs[0x6];
|
||||
|
||||
uint16_t m_dma_params[7];
|
||||
uint16_t m_707f;
|
||||
uint16_t m_703a;
|
||||
uint16_t m_7062;
|
||||
uint16_t m_7063;
|
||||
|
||||
uint16_t m_702a;
|
||||
uint16_t m_7030;
|
||||
uint16_t m_703c;
|
||||
|
||||
|
||||
uint16_t m_7080;
|
||||
uint16_t m_7081;
|
||||
uint16_t m_7082;
|
||||
uint16_t m_7083;
|
||||
uint16_t m_7084;
|
||||
uint16_t m_7085;
|
||||
uint16_t m_7086;
|
||||
uint16_t m_7087;
|
||||
uint16_t m_7088;
|
||||
|
||||
// unk 78xx
|
||||
uint16_t m_7803;
|
||||
|
||||
uint16_t m_7807;
|
||||
|
||||
uint16_t m_7810;
|
||||
|
||||
uint16_t m_7816;
|
||||
uint16_t m_7817;
|
||||
|
||||
|
||||
uint16_t m_7819;
|
||||
|
||||
uint16_t m_7820;
|
||||
uint16_t m_7821;
|
||||
uint16_t m_7822;
|
||||
uint16_t m_7823;
|
||||
uint16_t m_7824;
|
||||
|
||||
uint16_t m_782d;
|
||||
|
||||
uint16_t m_7835;
|
||||
|
||||
uint16_t m_7860;
|
||||
|
||||
uint16_t m_7861;
|
||||
|
||||
uint16_t m_7862;
|
||||
uint16_t m_7863;
|
||||
|
||||
uint16_t m_7870;
|
||||
|
||||
uint16_t m_7871;
|
||||
|
||||
uint16_t m_7872;
|
||||
uint16_t m_7873;
|
||||
|
||||
uint16_t m_7882;
|
||||
uint16_t m_7883;
|
||||
|
||||
uint16_t m_78a0;
|
||||
|
||||
uint16_t m_78a4;
|
||||
uint16_t m_78a5;
|
||||
uint16_t m_78a6;
|
||||
|
||||
uint16_t m_78a8;
|
||||
|
||||
uint16_t m_78b0;
|
||||
uint16_t m_78b1;
|
||||
uint16_t m_78b2;
|
||||
|
||||
uint16_t m_78b8;
|
||||
|
||||
uint16_t m_78f0;
|
||||
|
||||
uint16_t m_78fb;
|
||||
uint16_t m_dma_params[7];
|
||||
|
||||
// unk 79xx
|
||||
uint16_t m_7934;
|
||||
uint16_t m_7936;
|
||||
|
||||
|
||||
private:
|
||||
DECLARE_READ16_MEMBER(unk_r);
|
||||
DECLARE_WRITE16_MEMBER(unk_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(tmap0_regs_r);
|
||||
DECLARE_WRITE16_MEMBER(tmap0_regs_w);
|
||||
DECLARE_WRITE16_MEMBER(tmap0_unk0_w);
|
||||
DECLARE_WRITE16_MEMBER(tmap0_unk1_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(tmap1_regs_r);
|
||||
DECLARE_WRITE16_MEMBER(tmap1_regs_w);
|
||||
DECLARE_WRITE16_MEMBER(tmap1_unk0_w);
|
||||
DECLARE_WRITE16_MEMBER(tmap1_unk1_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unknown_video_device0_regs_w);
|
||||
DECLARE_WRITE16_MEMBER(unknown_video_device0_unk0_w);
|
||||
DECLARE_WRITE16_MEMBER(unknown_video_device0_unk1_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unknown_video_device1_regs_w);
|
||||
DECLARE_WRITE16_MEMBER(unknown_video_device1_unk0_w);
|
||||
DECLARE_WRITE16_MEMBER(unknown_video_device1_unk1_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unknown_video_device2_unk0_w);
|
||||
DECLARE_WRITE16_MEMBER(unknown_video_device2_unk1_w);
|
||||
DECLARE_WRITE16_MEMBER(unknown_video_device2_unk2_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(video_dma_source_w);
|
||||
DECLARE_WRITE16_MEMBER(video_dma_dest_w);
|
||||
DECLARE_READ16_MEMBER(video_dma_size_r);
|
||||
DECLARE_WRITE16_MEMBER(video_dma_size_w);
|
||||
DECLARE_WRITE16_MEMBER(video_dma_unk_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(video_703a_r);
|
||||
DECLARE_WRITE16_MEMBER(video_703a_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(video_7062_r);
|
||||
DECLARE_WRITE16_MEMBER(video_7062_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(video_7063_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(video_702a_w);
|
||||
DECLARE_WRITE16_MEMBER(video_7030_w);
|
||||
DECLARE_WRITE16_MEMBER(video_703c_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(video_707f_r);
|
||||
DECLARE_WRITE16_MEMBER(video_707f_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(video_7080_w);
|
||||
DECLARE_WRITE16_MEMBER(video_7081_w);
|
||||
DECLARE_WRITE16_MEMBER(video_7082_w);
|
||||
DECLARE_WRITE16_MEMBER(video_7083_w);
|
||||
DECLARE_WRITE16_MEMBER(video_7084_w);
|
||||
DECLARE_WRITE16_MEMBER(video_7085_w);
|
||||
DECLARE_WRITE16_MEMBER(video_7086_w);
|
||||
DECLARE_WRITE16_MEMBER(video_7087_w);
|
||||
DECLARE_WRITE16_MEMBER(video_7088_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(video_7083_r);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(system_dma_params_w);
|
||||
DECLARE_WRITE16_MEMBER(system_dma_trigger_w);
|
||||
DECLARE_READ16_MEMBER(system_dma_status_r);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_780f_status_r);
|
||||
DECLARE_READ16_MEMBER(unkarea_78fb_status_r);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7803_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7803_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7807_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7810_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7810_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7816_w);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7817_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7819_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7819_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7820_w);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7821_w);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7822_w);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7823_w);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7824_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7835_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7868_r);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_782d_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_782d_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7860_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7860_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7861_r);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7862_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7862_w);
|
||||
DECLARE_READ16_MEMBER(unkarea_7863_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7863_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7870_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7870_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7871_r);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7872_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7872_w);
|
||||
DECLARE_READ16_MEMBER(unkarea_7873_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7873_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7882_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7882_w);
|
||||
DECLARE_READ16_MEMBER(unkarea_7883_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7883_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unkarea_78a0_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unkarea_78a4_w);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_78a5_w);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_78a6_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unkarea_78a8_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unkarea_78b0_w);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_78b1_w);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_78b2_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unkarea_78b8_w);
|
||||
|
||||
DECLARE_WRITE16_MEMBER(unkarea_78f0_w);
|
||||
|
||||
DECLARE_READ16_MEMBER(unkarea_7934_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7934_w);
|
||||
DECLARE_READ16_MEMBER(unkarea_7936_r);
|
||||
DECLARE_WRITE16_MEMBER(unkarea_7936_w);
|
||||
|
||||
|
||||
|
||||
};
|
||||
|
||||
class sunplus_gcm394_device : public sunplus_gcm394_base_device
|
||||
|
||||
Loading…
Reference in New Issue
Block a user