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SCC68070: hooked up basic registers in the memory map.

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This commit is contained in:
Angelo Salese 2009-07-04 15:40:02 +00:00
parent 30237e3331
commit 263a945d8f
1 changed files with 81 additions and 19 deletions
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100
src/mame/drivers/magicard.c
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@ -351,7 +351,7 @@ static READ16_HANDLER( philips_66470_r )
// return mame_rand(space->machine); //TODO
}
printf("[%04x]\n",offset*2);
//printf("[%04x]\n",offset*2);
return pcab_vregs[offset];
@ -368,22 +368,84 @@ static WRITE16_HANDLER( philips_66470_w )
// }
}
/* scc68070 specific stuff (to be moved) */
static UINT16 *scc68070_ext_irqc_regs;
static UINT16 *scc68070_iic_regs;
static UINT16 *scc68070_uart_regs;
static UINT16 *scc68070_timer_regs;
static UINT16 *scc68070_int_irqc_regs;
static UINT16 *scc68070_dma_ch1_regs;
static UINT16 *scc68070_dma_ch2_regs;
static UINT16 *scc68070_mmu_regs;
//#define ENABLE_CDI_BIOS
static READ16_HANDLER( scc68070_ext_irqc_r ) { return scc68070_ext_irqc_regs[offset]; }
static WRITE16_HANDLER( scc68070_ext_irqc_w ){ scc68070_ext_irqc_regs[offset] = data; }
static READ16_HANDLER( scc68070_iic_r )
{
printf("%04x\n",offset*2);
switch(offset)
{
case 0x04/2: return scc68070_iic_regs[offset] & 0xef; //iic status register, bit 4 = pending irq
}
return scc68070_iic_regs[offset];
}
static WRITE16_HANDLER( scc68070_iic_w ){ scc68070_iic_regs[offset] = data; }
static READ16_HANDLER( scc68070_uart_r )
{
//printf("%02x\n",offset*2);
switch(offset)
{
case 0x02/2: return mame_rand(space->machine); //uart mode register
}
return scc68070_uart_regs[offset];
}
static WRITE16_HANDLER( scc68070_uart_w ) { scc68070_uart_regs[offset] = data; }
static READ16_HANDLER( scc68070_timer_r ) { return scc68070_timer_regs[offset]; }
static WRITE16_HANDLER( scc68070_timer_w ){ scc68070_timer_regs[offset] = data; }
static READ16_HANDLER( scc68070_int_irqc_r ) { return scc68070_int_irqc_regs[offset]; }
static WRITE16_HANDLER( scc68070_int_irqc_w ){ scc68070_int_irqc_regs[offset] = data; }
static READ16_HANDLER( scc68070_dma_ch1_r ) { return scc68070_dma_ch1_regs[offset]; }
static WRITE16_HANDLER( scc68070_dma_ch1_w ){ scc68070_dma_ch1_regs[offset] = data; }
static READ16_HANDLER( scc68070_dma_ch2_r ) { return scc68070_dma_ch2_regs[offset]; }
static WRITE16_HANDLER( scc68070_dma_ch2_w ){ scc68070_dma_ch2_regs[offset] = data; }
static READ16_HANDLER( scc68070_mmu_r ) { return scc68070_mmu_regs[offset]; }
static WRITE16_HANDLER( scc68070_mmu_w ){ scc68070_mmu_regs[offset] = data; }
static ADDRESS_MAP_START( magicard_mem, ADDRESS_SPACE_PROGRAM, 16 )
// ADDRESS_MAP_GLOBAL_MASK(0x1fffff)
AM_RANGE(0x000000, 0x0fffff) AM_RAM AM_BASE(&magicram) /*only 0-7ffff accessed in Magic Card*/
// AM_RANGE(0x100000, 0x17ffff) AM_RAM AM_REGION("maincpu", 0)
AM_RANGE(0x180000, 0x1ffbff) AM_ROM AM_REGION("maincpu", 0)
/* 1ffc00-1ffdff System I/O */
AM_RANGE(0x1ffc00, 0x1ffc01) AM_READ(test_r)
AM_RANGE(0x1ffc40, 0x1ffc41) AM_READ(test_r)
AM_RANGE(0x1ffd00, 0x1ffd05) AM_WRITE(paletteram_io_w) //RAMDAC
AM_RANGE(0x00000000, 0x000fffff) AM_MIRROR(0x400000) AM_RAM AM_BASE(&magicram) /*only 0-7ffff accessed in Magic Card*/
// AM_RANGE(0x00100000, 0x0017ffff) AM_MIRROR(0x400000) AM_RAM AM_REGION("maincpu", 0)
AM_RANGE(0x00180000, 0x001ffbff) AM_MIRROR(0x400000) AM_ROM AM_REGION("maincpu", 0)
/* 001ffc00-001ffdff System I/O */
AM_RANGE(0x001ffc00, 0x001ffc01) AM_MIRROR(0x400000) AM_READ(test_r)
AM_RANGE(0x001ffc40, 0x001ffc41) AM_MIRROR(0x400000) AM_READ(test_r)
AM_RANGE(0x001ffd00, 0x001ffd05) AM_MIRROR(0x400000) AM_WRITE(paletteram_io_w) //RAMDAC
/*not the right sound chip,unknown type,it should be an ADPCM with 8 channels.*/
AM_RANGE(0x1ffd40, 0x1ffd43) AM_DEVWRITE8("ym", ym2413_w, 0x00ff)
AM_RANGE(0x1ffd80, 0x1ffd81) AM_READ(test_r)
AM_RANGE(0x1ffd80, 0x1ffd81) AM_WRITENOP //?
AM_RANGE(0x1fff80, 0x1fffbf) AM_RAM //DRAM I/O, not accessed by this game, CD buffer?
AM_RANGE(0x1fffe0, 0x1fffff) AM_READWRITE(philips_66470_r,philips_66470_w) AM_BASE(&pcab_vregs) //video registers
AM_RANGE(0x200000, 0x2fffff) AM_RAM
AM_RANGE(0x001ffd40, 0x001ffd43) AM_MIRROR(0x400000) AM_DEVWRITE8("ym", ym2413_w, 0x00ff)
AM_RANGE(0x001ffd80, 0x001ffd81) AM_MIRROR(0x400000) AM_READ(test_r)
AM_RANGE(0x001ffd80, 0x001ffd81) AM_MIRROR(0x400000) AM_WRITENOP //?
AM_RANGE(0x001fff80, 0x001fffbf) AM_MIRROR(0x400000) AM_RAM //DRAM I/O, not accessed by this game, CD buffer?
AM_RANGE(0x001fffe0, 0x001fffff) AM_MIRROR(0x400000) AM_READWRITE(philips_66470_r,philips_66470_w) AM_BASE(&pcab_vregs) //video registers
AM_RANGE(0x00200000, 0x002fffff) AM_MIRROR(0x400000) AM_RAM
AM_RANGE(0x80001000, 0x8000100f) AM_READWRITE(scc68070_ext_irqc_r,scc68070_ext_irqc_w) AM_BASE(&scc68070_ext_irqc_regs)
AM_RANGE(0x80002000, 0x8000200f) AM_READWRITE(scc68070_iic_r,scc68070_iic_w) AM_BASE(&scc68070_iic_regs)
AM_RANGE(0x80002010, 0x8000201f) AM_READWRITE(scc68070_uart_r,scc68070_uart_w) AM_BASE(&scc68070_uart_regs)
AM_RANGE(0x80002020, 0x8000202f) AM_READWRITE(scc68070_timer_r,scc68070_timer_w) AM_BASE(&scc68070_timer_regs)
AM_RANGE(0x80002040, 0x8000204f) AM_READWRITE(scc68070_int_irqc_r,scc68070_int_irqc_w) AM_BASE(&scc68070_int_irqc_regs)
AM_RANGE(0x80004000, 0x8000403f) AM_READWRITE(scc68070_dma_ch1_r,scc68070_dma_ch1_w) AM_BASE(&scc68070_dma_ch1_regs)
AM_RANGE(0x80004040, 0x8000407f) AM_READWRITE(scc68070_dma_ch2_r,scc68070_dma_ch2_w) AM_BASE(&scc68070_dma_ch2_regs)
AM_RANGE(0x80008000, 0x8000807f) AM_READWRITE(scc68070_mmu_r,scc68070_mmu_w) AM_BASE(&scc68070_mmu_regs)
ADDRESS_MAP_END
@ -487,7 +549,6 @@ GAME( 199?, magicrda, 0, magicard, 0, magicard, ROT0, "Impera", "Magi
GAME( 199?, magicrdb, 0, magicard, 0, magicard, ROT0, "Impera", "Magic Card (set 3)", GAME_NO_SOUND | GAME_NOT_WORKING )
/*Below here there are CD-I bios defines,to be removed in the end*/
/*
ROM_START( mcdi200 )
ROM_REGION( 0x80000, "maincpu", 0 )
ROM_LOAD16_WORD( "mgvx200.rom", 0x000000, 0x80000, CRC(40c4e6b9) SHA1(d961de803c89b3d1902d656ceb9ce7c02dccb40a) )
@ -503,7 +564,8 @@ ROM_START( pcdi910m )
ROM_LOAD16_WORD( "cdi910.rom", 0x000000, 0x80000, CRC(8ee44ed6) SHA1(3fcdfa96f862b0cb7603fb6c2af84cac59527b05) )
ROM_END
//GAME( 199?, mcdi200, 0, magicard, 0, magicard, ROT0, "Philips", "Magnavox CD-I 200 BIOS", GAME_NO_SOUND | GAME_NOT_WORKING )
//GAME( 199?, pcdi490, 0, magicard, 0, magicard, ROT0, "Philips", "Philips CD-I 490 BIOS", GAME_NO_SOUND | GAME_NOT_WORKING )
//GAME( 199?, pcdi910m,0, magicard, 0, magicard, ROT0, "Philips", "Philips CD-I 910 (Memorex-Tandy) BIOS", GAME_NO_SOUND | GAME_NOT_WORKING )
*/
#ifdef ENABLE_CDI_BIOS
GAME( 199?, mcdi200, 0, magicard, 0, magicard, ROT0, "Philips", "Magnavox CD-I 200 BIOS", GAME_NO_SOUND | GAME_NOT_WORKING )
GAME( 199?, pcdi490, 0, magicard, 0, magicard, ROT0, "Philips", "Philips CD-I 490 BIOS", GAME_NO_SOUND | GAME_NOT_WORKING )
GAME( 199?, pcdi910m,0, magicard, 0, magicard, ROT0, "Philips", "Philips CD-I 910 (Memorex-Tandy) BIOS", GAME_NO_SOUND | GAME_NOT_WORKING )
#endif