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plygonet improvements

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- Turned off network IRQ.  Game now boots without "network error"
- Hooked up palette RAM
- Improved text layer emulation (flip bits still missing)
This commit is contained in:
R. Belmont 2008-10-29 04:31:28 +00:00
parent 2a3495ab59
commit bf8e1b4314
2 changed files with 23 additions and 13 deletions
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29
src/mame/drivers/plygonet.c
View File

@ -150,16 +150,13 @@ static READ32_HANDLER( psac_rom_r )
}
/* irqs 3, 5, and 7 have valid vectors */
/* irq 3 does ??? (network) */
/* irq 5 does ??? (polygon end of draw or VBL?) */
/* irq 3 is network. don't generate if you don't emulate the network h/w! */
/* irq 5 is vblank */
/* irq 7 does nothing (it jsrs to a rts and then rte) */
static INTERRUPT_GEN(polygonet_interrupt)
{
if (cpu_getiloops())
cpunum_set_input_line(machine, 0, MC68000_IRQ_5, HOLD_LINE);
else
cpunum_set_input_line(machine, 0, MC68000_IRQ_3, HOLD_LINE);
}
/* sound CPU communications */
@ -278,7 +275,6 @@ static READ32_HANDLER( network_r )
return 0x08000000;
}
/**********************************************************************************/
/******* DSP56k maps *******/
/**********************************************************************************/
@ -466,13 +462,26 @@ static WRITE16_HANDLER( dsp56k_ram_bank04_write )
}
WRITE32_HANDLER( plygonet_palette_w )
{
int r,g,b;
COMBINE_DATA(&paletteram32[offset]);
r = (paletteram32[offset] >>16) & 0xff;
g = (paletteram32[offset] >> 8) & 0xff;
b = (paletteram32[offset] >> 0) & 0xff;
palette_set_color(machine,offset,MAKE_RGB(r,g,b));
}
/**********************************************************************************/
static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x000000, 0x1fffff) AM_ROM
AM_RANGE(0x200000, 0x21ffff) AM_RAM /* PSAC2 tilemap */
AM_RANGE(0x440000, 0x440fff) AM_RAM /* PSAC2 lineram */
AM_RANGE(0x200000, 0x21ffff) AM_RAM_WRITE(plygonet_palette_w) AM_BASE(&paletteram32) // is all of this region the palette?
AM_RANGE(0x440000, 0x440fff) AM_RAM /* PSAC2 lineram? */
AM_RANGE(0x480000, 0x480003) AM_READ(polygonet_eeprom_r)
AM_RANGE(0x4C0000, 0x4C0003) AM_WRITE(polygonet_eeprom_w)
AM_RANGE(0x500000, 0x503fff) AM_RAM_WRITE(shared_ram_write) AM_BASE(&shared_ram)
@ -481,7 +490,7 @@ static ADDRESS_MAP_START( main_map, ADDRESS_SPACE_PROGRAM, 32 )
AM_RANGE(0x540000, 0x540fff) AM_READWRITE(polygonet_ttl_ram_r, polygonet_ttl_ram_w)
AM_RANGE(0x541000, 0x54101f) AM_RAM
AM_RANGE(0x580000, 0x5807ff) AM_RAM
AM_RANGE(0x580800, 0x580803) AM_READWRITE(network_r, SMH_NOP) /* network RAM | registers? */
AM_RANGE(0x580800, 0x580803) AM_READ(network_r) AM_WRITENOP /* network RAM | registers? */
// AM_RANGE(0x600000, 0x600000)
AM_RANGE(0x600004, 0x600007) AM_WRITE(sound_w)
AM_RANGE(0x600008, 0x60000b) AM_READ(sound_r)
@ -585,7 +594,7 @@ static MACHINE_START(polygonet)
static MACHINE_DRIVER_START( plygonet )
MDRV_CPU_ADD("main", M68EC020, 16000000) /* 16 MHz (xtal is 32.0 MHz) */
MDRV_CPU_PROGRAM_MAP(main_map, 0)
MDRV_CPU_VBLANK_INT_HACK(polygonet_interrupt, 2)
MDRV_CPU_VBLANK_INT("main", polygonet_interrupt)
MDRV_CPU_ADD("dsp", DSP56156, 10000000) /* xtal is 40.0 MHz */
MDRV_CPU_PROGRAM_MAP(dsp_program_map, 0)

5
src/mame/video/plygonet.c
View File

@ -22,8 +22,9 @@ static TILE_GET_INFO( ttl_get_tile_info )
{
int attr, code;
code = ttl_vram[tile_index]&0xff;
attr = 0;
code = ttl_vram[tile_index]&0xfff;
attr = ttl_vram[tile_index]>>12; // palette in all 4 bits?
SET_TILE_INFO(ttl_gfx_index, code, attr, 0);
}