void Machine_Set_Mapping (void)
{
sms.Mapping_Register = 0;
sms.SRAM_Pages = 0;
sms.Pages_Reg [0] = 0; sms.Pages_Reg [1] = 1; sms.Pages_Reg [2] = 2;
switch (cur_machine.mapper)
{
case MAPPER_32kRAM: // 32k RAM MAPPER --------------------------------------
Map_8k_ROM (0, 0);
Map_8k_ROM (1, 1 & tsms.Pages_Mask_8k);
Map_8k_ROM (2, 2 & tsms.Pages_Mask_8k);
Map_8k_ROM (3, 3 & tsms.Pages_Mask_8k);
Map_8k_RAM (4, 0);
Map_8k_RAM (5, 1);
Map_8k_RAM (6, 2);
Map_8k_RAM (7, 3);
break;
case MAPPER_ColecoVision: // COLECOVISION MAPPER ---------------------------
Map_8k_Other (0, BIOS_ROM_Coleco);
Map_8k_RAM (1, 1);
Map_8k_RAM (2, 1);
Map_8k_RAM (3, 0);
Map_8k_ROM (4, 0);
Map_8k_ROM (5, 1 & tsms.Pages_Mask_8k);
Map_8k_ROM (6, 2 & tsms.Pages_Mask_8k);
Map_8k_ROM (7, 3 & tsms.Pages_Mask_8k);
break;
case MAPPER_SMS_ActionReplay: // ACTION REPLAY MAPPER ----------------------
Map_8k_ROM (0, 0);
Map_8k_ROM (1, 1);
Map_8k_RAM (2, 1);
Map_8k_RAM (3, 1);
Map_8k_RAM (4, 2); // FIXME
Map_8k_RAM (5, 2);
Map_8k_RAM (6, 0);
Map_8k_RAM (7, 0);
break;
case MAPPER_SF7000: // SF-7000 ---------------------------------------------
Map_16k_Other (0, BIOS_ROM_SF7000);
Map_8k_RAM (2, 2);
Map_8k_RAM (3, 3);
Map_8k_RAM (4, 4);
Map_8k_RAM (5, 5);
Map_8k_RAM (6, 6);
Map_8k_RAM (7, 7);
break;
case MAPPER_SMS_DisplayUnit: // DISPLAY UNIT MAPPER ----------------------
Map_8k_ROM (0, 0); // ROM
Map_8k_ROM (1, 1);
Map_8k_RAM (2, 1); // RAM - Mapping 2k (0x800) from 4000 to BFFF
Map_8k_RAM (3, 1);
Map_8k_RAM (4, 1);
Map_8k_RAM (5, 1);
Map_8k_RAM (6, 0); // RAM - Standard
Map_8k_RAM (7, 0);
break;
case MAPPER_SMS_Korean_MSX_8KB:
Map_8k_ROM (0, 0);
Map_8k_ROM (1, 1);
Map_8k_ROM (2, 2);
Map_8k_ROM (3, 3);
Map_8k_ROM (4, 4);
Map_8k_ROM (5, 5);
Map_8k_RAM (6, 0);
Map_8k_RAM (7, 0);
break;
default: // Other mappers
Map_8k_ROM (0, 0);
Map_8k_ROM (1, 1);
Map_8k_ROM (2, 2);
Map_8k_ROM (3, 3);
Map_8k_ROM (4, 4);
Map_8k_ROM (5, 5);
Map_8k_RAM (6, 0);
Map_8k_RAM (7, 0);
switch (cur_machine.mapper)
{
case MAPPER_SMS_NoMapper:
break;
case MAPPER_CodeMasters:
// ROM [0x3FFF] = 0; ROM [0x7FFF] = 1; ROM [0xBFFF] = 2;
break;
case MAPPER_SMS_Korean:
// ROM [0xA000] = 0;
break;
case MAPPER_93c46:
RAM [0x1FFC] = 0; RAM [0x1FFD] = 0; RAM [0x1FFE] = 1; RAM [0x1FFF] = 2;
EEPROM_93c46_Init (EEPROM_93C46_INIT_ALL);
break;
case MAPPER_TVOekaki:
TVOekaki_Init ();
break;
default:
RAM [0x1FFC] = 0; RAM [0x1FFD] = 0; RAM [0x1FFE] = 1; RAM [0x1FFF] = 2;
memcpy (Game_ROM_Computed_Page_0, ROM, 0x4000);
//Map_16k_Other (0, Game_ROM_Computed_Page_0);
Map_16k_ROM (0, 0); // Mapping may change to Game_ROM_Computed_Page_0 at runtime
break;
}
break;
}
}
void Machine_Set_Mapping (void)
{
sms.SRAM_Mapping_Register = 0;
sms.SRAM_Pages = 0;
g_machine.mapper_regs_count = 3; // Default
for (int i = 0; i != MAPPER_REGS_MAX; i++)
g_machine.mapper_regs[i] = 0;
g_machine.mapper_regs[0] = 0;
g_machine.mapper_regs[1] = 1;
g_machine.mapper_regs[2] = 2;
switch (g_machine.mapper)
{
case MAPPER_32kRAM: // 32k RAM MAPPER --------------------------------------
Map_8k_ROM(0, 0);
Map_8k_ROM(1, 1 & tsms.Pages_Mask_8k);
Map_8k_ROM(2, 2 & tsms.Pages_Mask_8k);
Map_8k_ROM(3, 3 & tsms.Pages_Mask_8k);
Map_8k_RAM(4, 0);
Map_8k_RAM(5, 1);
Map_8k_RAM(6, 2);
Map_8k_RAM(7, 3);
break;
case MAPPER_ColecoVision: // COLECOVISION MAPPER ---------------------------
Map_8k_Other(0, BIOS_ROM_Coleco);
Map_8k_RAM(1, 1);
Map_8k_RAM(2, 1);
Map_8k_RAM(3, 0);
Map_8k_ROM(4, 0);
Map_8k_ROM(5, 1 & tsms.Pages_Mask_8k);
Map_8k_ROM(6, 2 & tsms.Pages_Mask_8k);
Map_8k_ROM(7, 3 & tsms.Pages_Mask_8k);
break;
case MAPPER_SMS_ActionReplay: // ACTION REPLAY MAPPER ----------------------
Map_8k_ROM(0, 0);
Map_8k_ROM(1, 1);
Map_8k_RAM(2, 1);
Map_8k_RAM(3, 1);
Map_8k_RAM(4, 2); // FIXME
Map_8k_RAM(5, 2);
Map_8k_RAM(6, 0);
Map_8k_RAM(7, 0);
break;
case MAPPER_SF7000: // SF-7000 ---------------------------------------------
Map_16k_Other(0, BIOS_ROM_SF7000);
Map_8k_RAM(2, 2);
Map_8k_RAM(3, 3);
Map_8k_RAM(4, 4);
Map_8k_RAM(5, 5);
Map_8k_RAM(6, 6);
Map_8k_RAM(7, 7);
break;
case MAPPER_SMS_DisplayUnit: // DISPLAY UNIT MAPPER ----------------------
Map_8k_ROM(0, 0); // ROM
Map_8k_ROM(1, 1);
Map_8k_RAM(2, 1); // RAM - Mapping 2k (0x800) from 4000 to BFFF
Map_8k_RAM(3, 1);
Map_8k_RAM(4, 1);
Map_8k_RAM(5, 1);
Map_8k_RAM(6, 0); // RAM - Standard
Map_8k_RAM(7, 0);
break;
case MAPPER_SMS_Korean_MSX_8KB:
Map_8k_ROM(0, 0);
Map_8k_ROM(1, 1);
Map_8k_ROM(2, 2);
Map_8k_ROM(3, 3);
Map_8k_ROM(4, 4);
Map_8k_ROM(5, 5);
Map_8k_RAM(6, 0);
Map_8k_RAM(7, 0);
g_machine.mapper_regs_count = 4;
// Nemesis has boot code on page 0x0F which seems to be auto-mapped at 0x0000-0x1fff on boot
// I'm not sure what is really "correct" but this work and doesn't trigger on other Zemina games for now.
if (tsms.Size_ROM == 16*0x2000 && ROM[0] == 0x00 && ROM[1] == 0x00 && ROM[2] == 0x00 && ROM[15*0x2000+0] == 0xF3 && ROM[15*0x2000+1] == 0xED && ROM[15*0x2000+2] == 0x56)
{
Map_8k_ROM(0, 0x0F);
}
break;
case MAPPER_SMS_Korean_Janggun:
Map_8k_ROM(0, 0);
Map_8k_ROM(1, 1);
Map_8k_ROM(2, 2);
Map_8k_ROM(3, 3);
Map_8k_ROM(4, 4);
Map_8k_ROM(5, 5);
Map_8k_RAM(6, 0);
Map_8k_RAM(7, 0);
g_machine.mapper_regs_count = 6;
g_machine.mapper_janggun_bytes_flipping_flags = 0x00;
break;
case MAPPER_SG1000_Taiwan_MSX_Adapter_TypeA:
Map_8k_ROM(0, 0);
Map_8k_RAM(1, 0);
Map_8k_ROM(2, 2);
Map_8k_ROM(3, 3);
Map_8k_ROM(4, 4);
Map_8k_ROM(5, 5);
Map_8k_RAM(6, 1);
Map_8k_RAM(7, 1);
g_machine.mapper_regs_count = 0;
break;
case MAPPER_SMS_Korean_Xin1:
Map_8k_ROM(0, 0);
Map_8k_ROM(1, 1 & tsms.Pages_Mask_8k);
Map_8k_ROM(2, 2 & tsms.Pages_Mask_8k);
Map_8k_ROM(3, 3 & tsms.Pages_Mask_8k);
Map_8k_ROM(4, 0);
Map_8k_ROM(5, 1 & tsms.Pages_Mask_8k);
Map_8k_RAM(6, 0);
Map_8k_RAM(7, 0);
g_machine.mapper_regs_count = 1;
for (int i = 0; i != MAPPER_REGS_MAX; i++)
g_machine.mapper_regs[i] = 0;
break;
case MAPPER_SC3000_Survivors_Multicart:
g_machine.mapper_regs_count = 1;
for (int i = 0; i != MAPPER_REGS_MAX; i++)
g_machine.mapper_regs[i] = 0;
g_machine.mapper_regs[0] = 0xDF; // $11011111; // Menu
//Map_8k_ROM(0, g_machine.mapper_regs[0]*4+0);
//Map_8k_ROM(1, g_machine.mapper_regs[0]*4+1);// & tsms.Pages_Mask_8k);
//Map_8k_ROM(2, g_machine.mapper_regs[0]*4+2);// & tsms.Pages_Mask_8k);
//Map_8k_ROM(3, g_machine.mapper_regs[0]*4+3);// & tsms.Pages_Mask_8k);
Map_8k_RAM(4, 0);
Map_8k_RAM(5, 1);
Map_8k_RAM(6, 2);
Map_8k_RAM(7, 3);
Out_SMS(0xE0, g_machine.mapper_regs[0]);
break;
default: // Other mappers
Map_8k_ROM(0, 0);
Map_8k_ROM(1, 1);
Map_8k_ROM(2, 2);
Map_8k_ROM(3, 3);
Map_8k_ROM(4, 4);
Map_8k_ROM(5, 5);
Map_8k_RAM(6, 0);
Map_8k_RAM(7, 0);
switch (g_machine.mapper)
{
case MAPPER_SMS_NoMapper:
break;
case MAPPER_CodeMasters:
// ROM [0x3FFF] = 0; ROM [0x7FFF] = 1; ROM [0xBFFF] = 2;
break;
case MAPPER_SMS_Korean:
case MAPPER_SMS_4PakAllAction:
// ROM [0xA000] = 0;
break;
case MAPPER_93c46:
// RAM [0x1FFC] = 0; RAM [0x1FFD] = 0; RAM [0x1FFE] = 1; RAM [0x1FFF] = 2;
EEPROM_93c46_Init(EEPROM_93C46_INIT_ALL);
break;
case MAPPER_TVOekaki:
TVOekaki_Init();
break;
default:
// RAM [0x1FFC] = 0; RAM [0x1FFD] = 0; RAM [0x1FFE] = 1; RAM [0x1FFF] = 2;
memcpy (Game_ROM_Computed_Page_0, ROM, 0x4000);
//Map_16k_Other (0, Game_ROM_Computed_Page_0);
Map_16k_ROM(0, 0); // Mapping may change to Game_ROM_Computed_Page_0 at runtime
break;
}
break;
}
}