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- hack for GBA slot with GBAgame. real BIOS is not needed now :)

This commit is contained in:
mtabachenko 2009-01-08 23:20:29 +00:00
parent d1172395c7
commit 0e4367f2a2
2 changed files with 8 additions and 1 deletions
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7
desmume/src/addons/gbagame.cpp
View File

@ -23,6 +23,7 @@
#include "../addons.h"
#include "../mem.h"
#include "../MMU.h"
u8 *GBArom = NULL;
@ -68,16 +69,22 @@ void GBAgame_write32(u32 adr, u32 val) {}
u8 GBAgame_read08(u32 adr)
{
//INFO("Read08 at 0x%08X value 0x%02X\n", adr, (u8)T1ReadByte(GBArom, (adr - 0x08000000)));
if ( (adr >= 0x08000004) && (adr < 0x080000A0) )
return MMU.MMU_MEM[0][0xFF][(adr +0x1C) & MMU.MMU_MASK[0][0xFF]];
return (u8)T1ReadByte(GBArom, (adr - 0x08000000));
}
u16 GBAgame_read16(u32 adr)
{
//INFO("Read16 at 0x%08X value 0x%04X\n", adr, (u16)T1ReadWord(GBArom, (adr - 0x08000000)));
if ( (adr >= 0x08000004) && (adr < 0x080000A0) )
return T1ReadWord(MMU.MMU_MEM[0][0xFF], (adr +0x1C) & MMU.MMU_MASK[0][0xFF]);
return (u16)T1ReadWord(GBArom, (adr - 0x08000000));
}
u32 GBAgame_read32(u32 adr)
{
//INFO("Read32 at 0x%08X value 0x%08X\n", adr, (u32)T1ReadLong(GBArom, (adr - 0x08000000)));
if ( (adr >= 0x08000004) && (adr < 0x080000A0) )
return T1ReadLong(MMU.MMU_MEM[0][0xFF], (adr +0x1C) & MMU.MMU_MASK[0][0xFF]);
return (u32)T1ReadLong(GBArom, (adr - 0x08000000));
}
void GBAgame_info(char *info) { strcpy(info, "GBA game in slot"); };

2
desmume/src/common.h
View File

@ -51,7 +51,7 @@ extern u8 gba_header_data_0x04[156];
// About GBA game in slot (only for use together with NDS + GBA):
// in real BIOS 9 at offset 0x0020 placed compressed logo
// for comparing with logo in header GBA cartridge.
// so, GBA game in slot work now if using only real BIOS.
// so, GBA game in slot work now.
// Later need make loading this table in BIOS memory (from gba_header_data_0x04)
//
// in windows ports: