mirror of
https://github.com/holub/mame
synced 2025-06-05 04:16:28 +03:00
bus/amiga/zorro: Add support for the Toccata SoundCard
This commit is contained in:
Dirk Best
parent
8e5b54e650
commit
0495a01474
@ -4690,6 +4690,8 @@ if (BUSES["ZORRO"]~=null) then
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MAME_DIR .. "src/devices/bus/amiga/zorro/buddha.h",
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MAME_DIR .. "src/devices/bus/amiga/zorro/ripple.cpp",
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MAME_DIR .. "src/devices/bus/amiga/zorro/ripple.h",
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MAME_DIR .. "src/devices/bus/amiga/zorro/toccata.cpp",
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MAME_DIR .. "src/devices/bus/amiga/zorro/toccata.h",
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}
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end
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@ -17,6 +17,7 @@
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#include "action_replay.h"
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#include "buddha.h"
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#include "ripple.h"
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#include "toccata.h"
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void a1000_expansion_cards(device_slot_interface &device)
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@ -47,6 +48,7 @@ void zorro2_cards(device_slot_interface &device)
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device.option_add("a2232", ZORRO_A2232);
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device.option_add("buddha", ZORRO_BUDDHA);
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device.option_add("ripple", ZORRO_RIPPLE);
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device.option_add("toccata", ZORRO_TOCCATA);
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}
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void zorro3_cards(device_slot_interface &device)
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@ -58,4 +60,5 @@ void zorro3_cards(device_slot_interface &device)
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device.option_add("a2232", ZORRO_A2232);
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device.option_add("buddha", ZORRO_BUDDHA);
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device.option_add("ripple", ZORRO_RIPPLE);
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device.option_add("toccata", ZORRO_TOCCATA);
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}
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322
src/devices/bus/amiga/zorro/toccata.cpp
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322
src/devices/bus/amiga/zorro/toccata.cpp
Normal file
@ -0,0 +1,322 @@
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// license: GPL-2.0+
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// copyright-holders: Dirk Best
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/***************************************************************************
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MacroSystem Toccata
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16bit/48KHz Audio Digitizer
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Hardware:
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- AD1848KP SoundPort
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- 2x 7202LA 1024x9 FIFO
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- XTAL 24.576 MHz (also seen with 24.582) and 16.9344 MHz
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- MC33078
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- GALs for autoconfig and other logic
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- 3 stereo inputs, 1 stereo output
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Notes:
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- Needs more testing
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TODO:
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- Verify data lanes
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- Audio input
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***************************************************************************/
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#include "emu.h"
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#include "toccata.h"
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#define LOG_IRQ (1U << 1)
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#define LOG_FIFO (1U << 2)
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#define LOG_REG (1U << 3)
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#define LOG_AD1848 (1U << 4)
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#define VERBOSE (LOG_GENERAL)
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#include "logmacro.h"
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//**************************************************************************
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// TYPE DEFINITIONS
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//**************************************************************************
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DEFINE_DEVICE_TYPE(ZORRO_TOCCATA, bus::amiga::zorro::toccata_device, "zorro_toccata", "Toccata SoundCard")
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namespace bus::amiga::zorro {
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toccata_device::toccata_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock) :
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device_t(mconfig, ZORRO_TOCCATA, tag, owner, clock),
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device_zorro2_card_interface(mconfig, *this),
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m_ad1848(*this, "ad1848"),
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m_fifo(*this, "fifo%u", 0U)
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{
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}
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//**************************************************************************
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// ADDRESS MAPS
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//**************************************************************************
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void toccata_device::mmio_map(address_map &map)
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{
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map(0x0000, 0x0001).mirror(0x97fe).rw(FUNC(toccata_device::status_r), FUNC(toccata_device::control_w)).umask16(0xff00);
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map(0x2000, 0x2001).mirror(0x97fe).rw(FUNC(toccata_device::fifo_r), FUNC(toccata_device::fifo_w));
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map(0x6000, 0x6001).mirror(0x97fe).rw(FUNC(toccata_device::ad1848_idx_r), FUNC(toccata_device::ad1848_idx_w)).umask16(0x00ff);
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map(0x6800, 0x6801).mirror(0x97fe).rw(FUNC(toccata_device::ad1848_data_r), FUNC(toccata_device::ad1848_data_w)).umask16(0x00ff);
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}
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//**************************************************************************
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// MACHINE DEFINITIONS
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//**************************************************************************
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void toccata_device::device_add_mconfig(machine_config &config)
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{
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AD1848(config, m_ad1848, 0);
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m_ad1848->drq().set(FUNC(toccata_device::drq_w));
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IDT7202(config, m_fifo[0]);
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m_fifo[0]->hf_handler().set(FUNC(playback_hf_w));
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IDT7202(config, m_fifo[1]);
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m_fifo[1]->hf_handler().set(FUNC(record_hf_w));
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}
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//**************************************************************************
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// MACHINE EMULATION
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//**************************************************************************
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void toccata_device::device_start()
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{
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// register for save states
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save_item(NAME(m_status));
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save_item(NAME(m_control));
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}
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void toccata_device::device_reset()
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{
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}
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void toccata_device::update_interrupts()
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{
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if ((BIT(m_control, 7) && BIT(m_status, 3)) || (BIT(m_control, 6) && BIT(m_status, 2)))
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{
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LOGMASKED(LOG_IRQ, "generating interrupt, control = %02x, status = %02x\n", m_control, m_status);
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m_status &= ~(1 << 7);
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m_slot->int6_w(1);
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}
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}
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void toccata_device::playback_hf_w(int state)
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{
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LOGMASKED(LOG_IRQ, "playback_hf_w: %d, status %02x\n", state, m_status);
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if (BIT(m_control, 7) && BIT(m_control, 4))
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{
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m_status &= ~(1 << 3);
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m_status |= state << 3;
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LOGMASKED(LOG_IRQ, "playback interrupts enabled, status now %02x\n", m_status);
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update_interrupts();
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}
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}
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void toccata_device::record_hf_w(int state)
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{
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LOGMASKED(LOG_IRQ, "record_hf_w: %d, status %02x\n", state, m_status);
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if (BIT(m_control, 7) && BIT(m_control, 3))
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{
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m_status &= ~(1 << 2);
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m_status |= state << 2;
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LOGMASKED(LOG_IRQ, "record interrupts enabled, status now %02x\n", m_status);
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update_interrupts();
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}
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}
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void toccata_device::drq_w(int state)
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{
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if (BIT(m_control, 2) && BIT(m_control, 4) && state)
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{
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uint8_t tmp = 0;
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// 16-bit stereo, bytes swapped
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tmp = m_fifo[0]->data_byte_r();
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m_ad1848->dack_w(m_fifo[0]->data_byte_r());
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m_ad1848->dack_w(tmp);
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tmp = m_fifo[0]->data_byte_r();
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m_ad1848->dack_w(m_fifo[0]->data_byte_r());
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m_ad1848->dack_w(tmp);
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}
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}
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uint8_t toccata_device::status_r(offs_t offset)
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{
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// 7------- interrupt pending (active low)
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// -6------ unknown
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// --5----- unknown
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// ---4---- unknown
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// ----3--- playback fifo half empty
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// -----2-- record fifo half full
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// ------1- unknown
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// -------0 unknown
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uint8_t data = m_status;
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if (!machine().side_effects_disabled())
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{
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LOGMASKED(LOG_REG, "status_r: %02x\n", m_status);
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// reading the status clears the interrupt
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m_status = 0x80;
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m_slot->int6_w(0);
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}
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return data;
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}
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void toccata_device::control_w(offs_t offset, uint8_t data)
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{
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// 7------- playback interrupt enable
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// -6------ record interrupt enable
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// --5----- unknown
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// ---4---- fifo playback
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// ----3--- fifo record
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// -----2-- enable fifo
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// ------1- card reset
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// -------0 card active
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LOGMASKED(LOG_REG, "control_w: %02x\n", data);
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if (BIT(data, 1))
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{
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// reset card
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LOG("card reset\n");
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m_status = 0x80;
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m_control = 0x00;
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m_fifo[0]->reset();
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m_fifo[1]->reset();
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m_ad1848->reset();
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}
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else
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{
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// not sure
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if (data == 0x01)
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{
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LOG("fifo reset\n");
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m_status = 0x80;
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m_fifo[0]->reset();
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m_fifo[1]->reset();
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}
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m_control = data;
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update_interrupts();
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}
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}
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uint16_t toccata_device::fifo_r(offs_t offset, uint16_t mem_mask)
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{
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uint16_t data = 0;
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if (ACCESSING_BITS_0_7)
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data |= m_fifo[1]->data_byte_r() << 0;
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if (ACCESSING_BITS_8_15)
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data |= m_fifo[1]->data_byte_r() << 8;
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LOGMASKED(LOG_FIFO, "fifo_r: %04x & %04x\n", data, mem_mask);
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return data;
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}
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void toccata_device::fifo_w(offs_t offset, uint16_t data, uint16_t mem_mask)
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{
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LOGMASKED(LOG_FIFO, "fifo_w: %04x & %04x\n", data, mem_mask);
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if (ACCESSING_BITS_0_7)
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m_fifo[0]->data_byte_w(data >> 0);
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if (ACCESSING_BITS_8_15)
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m_fifo[0]->data_byte_w(data >> 8);
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}
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uint8_t toccata_device::ad1848_idx_r(offs_t offset)
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{
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return m_ad1848->read(0);
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}
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void toccata_device::ad1848_idx_w(offs_t offset, uint8_t data)
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{
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LOGMASKED(LOG_AD1848, "ad1848_idx_w: %02x\n", data);
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m_ad1848->write(0, data);
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}
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uint8_t toccata_device::ad1848_data_r(offs_t offset)
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{
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return m_ad1848->read(1);
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}
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void toccata_device::ad1848_data_w(offs_t offset, uint8_t data)
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{
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LOGMASKED(LOG_AD1848, "ad1848_data_w: %02x\n", data);
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m_ad1848->write(1, data);
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}
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//**************************************************************************
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// AUTOCONFIG
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//**************************************************************************
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void toccata_device::autoconfig_base_address(offs_t address)
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{
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LOG("autoconfig_base_address received: 0x%06x\n", address);
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LOG("-> installing toccata\n");
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// stop responding to default autoconfig
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m_slot->space().unmap_readwrite(0xe80000, 0xe8007f);
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// toccata registers
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m_slot->space().install_device(address, address + 0x0ffff, *this, &toccata_device::mmio_map);
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// we're done
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m_slot->cfgout_w(0);
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}
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void toccata_device::cfgin_w(int state)
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{
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LOG("configin_w (%d)\n", state);
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if (state == 0)
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{
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// setup autoconfig
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autoconfig_board_type(BOARD_TYPE_ZORRO2);
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autoconfig_board_size(BOARD_SIZE_64K);
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autoconfig_link_into_memory(false);
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autoconfig_rom_vector_valid(false);
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autoconfig_multi_device(false);
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autoconfig_8meg_preferred(false);
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autoconfig_can_shutup(true);
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autoconfig_product(12);
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autoconfig_manufacturer(18260);
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autoconfig_serial(0x00000000);
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autoconfig_rom_vector(0x0000);
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// install autoconfig handler
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m_slot->space().install_readwrite_handler(0xe80000, 0xe8007f,
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read16_delegate(*this, FUNC(amiga_autoconfig::autoconfig_read)),
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write16_delegate(*this, FUNC(amiga_autoconfig::autoconfig_write)), 0xffffffff);
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}
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}
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} // namespace bus::amiga::zorro
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73
src/devices/bus/amiga/zorro/toccata.h
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73
src/devices/bus/amiga/zorro/toccata.h
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@ -0,0 +1,73 @@
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// license: GPL-2.0+
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// copyright-holders: Dirk Best
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/***************************************************************************
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MacroSystem Toccata
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16bit/48KHz Audio Digitizer
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***************************************************************************/
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#ifndef MAME_BUS_AMIGA_ZORRO_TOCCATA_H
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#define MAME_BUS_AMIGA_ZORRO_TOCCATA_H
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#pragma once
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#include "zorro.h"
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#include "machine/7200fifo.h"
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#include "machine/autoconfig.h"
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#include "sound/ad1848.h"
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namespace bus::amiga::zorro {
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class toccata_device : public device_t, public device_zorro2_card_interface, public amiga_autoconfig
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{
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public:
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toccata_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
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protected:
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virtual void device_add_mconfig(machine_config &config) override ATTR_COLD;
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virtual void device_start() override ATTR_COLD;
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virtual void device_reset() override ATTR_COLD;
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// device_zorro2_card_interface overrides
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virtual void cfgin_w(int state) override;
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// amiga_autoconfig overrides
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virtual void autoconfig_base_address(offs_t address) override;
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private:
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void mmio_map(address_map &map) ATTR_COLD;
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void update_interrupts();
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void playback_hf_w(int state);
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void record_hf_w(int state);
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void drq_w(int state);
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uint8_t status_r(offs_t offset);
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void control_w(offs_t offset, uint8_t data);
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uint16_t fifo_r(offs_t offset, uint16_t mem_mask = ~0);
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void fifo_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
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uint8_t ad1848_idx_r(offs_t offset);
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void ad1848_idx_w(offs_t offset, uint8_t data);
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uint8_t ad1848_data_r(offs_t offset);
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void ad1848_data_w(offs_t offset, uint8_t data);
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required_device<ad1848_device> m_ad1848;
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required_device_array<idt7202_device, 2> m_fifo;
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uint8_t m_status = 0;
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uint8_t m_control = 0;
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};
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} // namespace bus::amiga::zorro
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// device type declaration
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DECLARE_DEVICE_TYPE_NS(ZORRO_TOCCATA, bus::amiga::zorro, toccata_device)
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#endif // MAME_BUS_AMIGA_ZORRO_TOCCATA_H
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