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gkigt.cpp: hookup ramdac (nw)

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This commit is contained in:
angelosa 2018-02-07 19:35:52 +01:00
parent 272b54b1b4
commit 7b3938d13b
1 changed files with 17 additions and 45 deletions
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62
src/mame/drivers/gkigt.cpp
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@ -86,6 +86,7 @@ More chips (from eBay auction):
#include "emu.h" #include "emu.h"
#include "cpu/i960/i960.h" #include "cpu/i960/i960.h"
#include "machine/nvram.h" #include "machine/nvram.h"
#include "video/ramdac.h"
#include "sound/ymz280b.h" #include "sound/ymz280b.h"
#include "screen.h" #include "screen.h"
#include "speaker.h" #include "speaker.h"
@ -119,47 +120,22 @@ public:
DECLARE_READ32_MEMBER(uart_status_r); DECLARE_READ32_MEMBER(uart_status_r);
DECLARE_WRITE32_MEMBER(uart_w); DECLARE_WRITE32_MEMBER(uart_w);
DECLARE_WRITE32_MEMBER(clut_w);
DECLARE_WRITE32_MEMBER(clut_mask_w);
void igt_gameking(machine_config &config); void igt_gameking(machine_config &config);
private: private:
int m_offset, m_r, m_g, m_b, m_state;
bool m_bToggle; bool m_bToggle;
u8 m_clut_mask;
}; };
static INPUT_PORTS_START( igt_gameking ) void igt_gameking_state::video_start()
INPUT_PORTS_END
WRITE32_MEMBER(igt_gameking_state::clut_w)
{ {
if (mem_mask == 0x000000ff)
{
m_offset = data & 0xff;
m_state = 0;
}
else if (mem_mask == 0x00ff0000)
{
switch (m_state)
{
case 0: m_r = (data>>16) & 0xff; m_state++; break;
case 1: m_g = (data>>16) & 0xff; m_state++; break;
case 2:
m_b = (data>>16) & 0xff;
//printf("CLUT: color %d = R %d G %d B %d\n", m_offset, m_r, m_g, m_b);
m_palette->set_pen_color(m_offset, m_r<<18 | m_g<<10 | m_b<<2);
m_state = 0;
break;
}
}
} }
WRITE32_MEMBER(igt_gameking_state::clut_mask_w) uint32_t igt_gameking_state::screen_update_igt_gameking(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{ {
m_clut_mask = data & 0xff; return 0;
} }
READ32_MEMBER(igt_gameking_state::uart_status_r) READ32_MEMBER(igt_gameking_state::uart_status_r)
{ {
return 0x00040000; return 0x00040000;
@ -177,17 +153,6 @@ void igt_gameking_state::machine_start()
void igt_gameking_state::machine_reset() void igt_gameking_state::machine_reset()
{ {
m_bToggle = false; m_bToggle = false;
m_offset = m_state = m_r = m_g = m_b = 0;
m_clut_mask = 0xff;
}
void igt_gameking_state::video_start()
{
}
uint32_t igt_gameking_state::screen_update_igt_gameking(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect)
{
return 0;
} }
@ -210,13 +175,17 @@ static ADDRESS_MAP_START( igt_gameking_mem, AS_PROGRAM, 32, igt_gameking_state )
AM_RANGE(0x28030000, 0x28030003) AM_READ(igt_gk_28030000_r) AM_RANGE(0x28030000, 0x28030003) AM_READ(igt_gk_28030000_r)
AM_RANGE(0x28040000, 0x2804ffff) AM_RAM AM_RANGE(0x28040000, 0x2804ffff) AM_RAM
AM_RANGE(0x28050000, 0x28050003) AM_DEVREADWRITE8("ymz", ymz280b_device, read, write, 0x00ff00ff) AM_RANGE(0x28050000, 0x28050003) AM_DEVREADWRITE8("ymz", ymz280b_device, read, write, 0x00ff00ff)
AM_RANGE(0x28060000, 0x28060003) AM_WRITE(clut_w) AM_RANGE(0x28060000, 0x28060003) AM_DEVWRITE8("ramdac",ramdac_device, index_w, 0x000000ff )
AM_RANGE(0x28060004, 0x28060007) AM_WRITE(clut_mask_w) AM_RANGE(0x28060000, 0x28060003) AM_DEVWRITE8("ramdac",ramdac_device, pal_w, 0x00ff0000 )
AM_RANGE(0x28060004, 0x28060007) AM_DEVWRITE8("ramdac",ramdac_device, mask_w, 0x000000ff )
AM_RANGE(0xa1000000, 0xa1011fff) AM_RAM // used by gkkey for restart IAC AM_RANGE(0xa1000000, 0xa1011fff) AM_RAM // used by gkkey for restart IAC
ADDRESS_MAP_END ADDRESS_MAP_END
static INPUT_PORTS_START( igt_gameking )
INPUT_PORTS_END
static const gfx_layout igt_gameking_layout = static const gfx_layout igt_gameking_layout =
{ {
16,8, 16,8,
@ -233,7 +202,9 @@ static GFXDECODE_START( igt_gameking )
GFXDECODE_ENTRY( "cg", 0, igt_gameking_layout, 0x0, 1 ) GFXDECODE_ENTRY( "cg", 0, igt_gameking_layout, 0x0, 1 )
GFXDECODE_END GFXDECODE_END
static ADDRESS_MAP_START( ramdac_map, 0, 8, igt_gameking_state )
AM_RANGE(0x000, 0x3ff) AM_DEVREADWRITE("ramdac",ramdac_device,ramdac_pal_r,ramdac_rgb666_w)
ADDRESS_MAP_END
MACHINE_CONFIG_START(igt_gameking_state::igt_gameking) MACHINE_CONFIG_START(igt_gameking_state::igt_gameking)
@ -253,8 +224,9 @@ MACHINE_CONFIG_START(igt_gameking_state::igt_gameking)
MCFG_SCREEN_PALETTE("palette") MCFG_SCREEN_PALETTE("palette")
// Xilinx used as video chip XTAL(26'666'666) on board // Xilinx used as video chip XTAL(26'666'666) on board
MCFG_PALETTE_ADD("palette", 0x200) MCFG_PALETTE_ADD("palette", 0x100)
MCFG_PALETTE_FORMAT(xRRRRRGGGGGBBBBB)
MCFG_RAMDAC_ADD("ramdac", ramdac_map, "palette")
/* sound hardware */ /* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono") MCFG_SPEAKER_STANDARD_MONO("mono")