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Another MESS specific update

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This commit is contained in:
Angelo Salese 2011-03-18 16:48:28 +00:00
parent 6bc46f2f50
commit c25f9c0222
2 changed files with 18 additions and 8 deletions
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4
src/mame/drivers/megadriv.c
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@ -686,6 +686,8 @@ static DRIVER_INIT( mess_32x )
{
DRIVER_INIT_CALL(_32x);
DRIVER_INIT_CALL(mess_md_common);
megadrive_region_export = 1;
megadrive_region_pal = 0;
}
static MACHINE_CONFIG_DERIVED( ms_32x, genesis_32x )
@ -1101,4 +1103,4 @@ CONS( 1992, wmega, xeye, 0, genesis_scd, md, md_jpn, "
CONS( 1993, wmegam2, xeye, 0, genesis_scd, md, md_jpn, "Victor", "Wondermega M2 (Japan, NTSC)", GAME_NOT_WORKING )
CONS( 1994, cdx, 0, 0, genesis_scd, md, genesis, "Sega", "CDX (USA, NTSC)", GAME_NOT_WORKING )
CONS( 1994, multmega, cdx, 0, genesis_scd, md, md_eur, "Sega", "Multi-Mega (Europe, PAL)", GAME_NOT_WORKING )
CONS( 1994, 32x_scd, segacd, 0, genesis_32x_scd, md_sel, mess_32x, "Sega", "Sega CD (USA, NTSC, w/32X)", GAME_NOT_WORKING )
CONS( 1994, 32x_scd, 0, 0, genesis_32x_scd, md_sel, mess_32x, "Sega", "Sega CD (USA, NTSC, w/32X)", GAME_NOT_WORKING )

22
src/mame/machine/megadriv.c
View File

@ -2742,7 +2742,7 @@ static WRITE16_HANDLER( _32x_dreq_common_w )
if((a15106_reg & 4) == 0)
{
printf("attempting to WRITE FIFO with 68S cleared!");
printf("attempting to WRITE FIFO with 68S cleared!\n"); // corpse32
return;
}
@ -4744,13 +4744,13 @@ UINT8 CDC_Reg_r(void)
{
int reg = CDC_REG0 & 0xF;
UINT8 ret = 0;
int decode[0x10] = { 0, 1, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 1, 1, 1, 0 };
UINT16 decoderegs = 0x73F2;
if (decode[reg])
if ((decoderegs>>reg)&1)
CDC_DECODE |= (1 << reg);
if (reg!=REG_R_STAT3)
CDC_REG0 = (CDC_REG0 & 0xFFF0) | (reg+1);
//if (reg!=REG_R_STAT3)
CDC_REG0 = (CDC_REG0 & 0xFFF0) | ((reg+1)&0xf);
switch (reg)
@ -4777,7 +4777,7 @@ UINT8 CDC_Reg_r(void)
// ??
if ((CDC_CTRLB0 & 0x80) && (CDC_IFCTRL & 0x20))
{
if ((CDC_DECODE & 0x73F2) == 0x73F2)
if ((CDC_DECODE & decoderegs) == decoderegs)
CDC_STATB3 = 0x80;
}
break;
@ -9781,7 +9781,7 @@ MACHINE_CONFIG_DERIVED( genesis_scd, megadriv )
MCFG_TIMER_ADD("scd_dma_timer", scd_dma_timer_callback)
MCFG_QUANTUM_PERFECT_CPU("maincpu")
MCFG_QUANTUM_PERFECT_CPU("segacd_68k") // perfect sync to the fastest cpu
MACHINE_CONFIG_END
/* Different Softlists for different regions (for now at least) */
@ -9808,6 +9808,10 @@ MACHINE_CONFIG_DERIVED( genesis_32x_scd, genesis_32x )
MCFG_CPU_ADD("segacd_68k", M68000, SEGACD_CLOCK ) /* 12.5 MHz */
MCFG_CPU_PROGRAM_MAP(segacd_map)
MCFG_TIMER_ADD("sw_timer", NULL) //stopwatch timer
MCFG_NVRAM_ADD_0FILL("backupram")
MCFG_TIMER_ADD("scd_dma_timer", scd_dma_timer_callback)
MCFG_SOUND_ADD( "cdda", CDDA, 0 )
MCFG_SOUND_ROUTE( 0, "lspeaker", 0.50 )
MCFG_SOUND_ROUTE( 1, "rspeaker", 0.50 )
@ -9817,6 +9821,10 @@ MACHINE_CONFIG_DERIVED( genesis_32x_scd, genesis_32x )
MCFG_SOUND_ROUTE( 1, "rspeaker", 0.25 )
MCFG_CDROM_ADD( "cdrom" )
MCFG_CDROM_INTERFACE("scd_cdrom")
MCFG_SOFTWARE_LIST_ADD("cd_list","segacd")
MCFG_QUANTUM_PERFECT_CPU("32x_master_sh2")
MACHINE_CONFIG_END