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Big-endian fixes for theglad and killing blade (lantus)

This commit is contained in:
jackchatelet 2013-11-17 14:23:13 +00:00
parent ef79c7363c
commit 4bab1b05b6
3 changed files with 27 additions and 21 deletions
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10
src/burn/drv/pgm/d_pgm.cpp
View File

@ -3046,7 +3046,7 @@ static void thegladPatch()
// Replace undumpable area of the arm7 internal rom with a custom-built
// version created by David Haywood in order to make game playable
static const UINT16 thegladEOHackData[0x188/2] = {
static UINT16 thegladEOHackData[0x188/2] = {
0x000a, 0xea00, 0xfffe, 0xeaff, 0xfffe, 0xeaff, 0xfffe, 0xeaff,
0xfffe, 0xeaff, 0xfffe, 0xeaff, 0xfffe, 0xeaff, 0xf000, 0xe59f,
0x0010, 0x0800, 0x0010, 0x0800, 0xfffe, 0xeaff, 0xfffe, 0xeaff,
@ -3074,6 +3074,12 @@ static void thegladPatch()
0xfffe, 0xeaff, 0x105c, 0xe59f
};
// byte swap for Big Endian arch
for (int i = 0; i < 0x188/2; i++)
{
thegladEOHackData[i] = BURN_ENDIAN_SWAP_INT16(thegladEOHackData[i]);
}
memmove (PGMARMROM + 0x188, PGMARMROM, 0x4000-0x188);
memcpy (PGMARMROM, thegladEOHackData, 0x188);
}
@ -3192,7 +3198,7 @@ static void theglad100Patch()
for (int i = 0; i < 131; i++)
{
extprot[((0x82078 + (i * 4)) / 2)] = subroutine_addresses[i];
extprot[((0x82078 + (i * 4)) / 2)] = (subroutine_addresses[i]);
}
}

2
src/burn/drv/pgm/pgm_draw.cpp
View File

@ -622,7 +622,7 @@ INT32 pgmDraw()
{
if (nPgmPalRecalc) {
for (INT32 i = 0; i < 0x1200 / 2; i++) {
RamCurPal[i] = CalcCol(PGMPalRAM[i]);
RamCurPal[i] = CalcCol(BURN_ENDIAN_SWAP_INT16(PGMPalRAM[i]));
}
nPgmPalRecalc = 0;
}

36
src/burn/drv/pgm/pgm_prot.cpp
View File

@ -1098,7 +1098,7 @@ static void IGS022_do_dma(UINT16 src, UINT16 dst, UINT16 size, UINT16 mode)
for (x = 0; x < size; x++)
{
UINT16 dat2 = PROTROM[src + x];
UINT16 dat2 = BURN_ENDIAN_SWAP_INT16(PROTROM[src + x]);
UINT8 extraoffset = param&0xff;
UINT8* dectable = (UINT8*)PROTROM; // the basic decryption table is at the start of the mcu data rom! at least in killbld
@ -1112,7 +1112,7 @@ static void IGS022_do_dma(UINT16 src, UINT16 dst, UINT16 size, UINT16 mode)
if (mode==2) dat2 += extraxor;
if (mode==1) dat2 -= extraxor;
sharedprotram[dst + x] = dat2;
sharedprotram[dst + x] = BURN_ENDIAN_SWAP_INT16(dat2);
}
/* Killing Blade: hack, patches out some additional security checks... we need to emulate them instead! */
@ -1144,14 +1144,14 @@ static void IGS022_do_dma(UINT16 src, UINT16 dst, UINT16 size, UINT16 mode)
UINT16 *PROTROM = (UINT16*)(PGMUSER0 + 0x10000);
for (x = 0; x < size; x++)
{
UINT16 dat = PROTROM[src + x];
UINT16 dat = BURN_ENDIAN_SWAP_INT16(PROTROM[src + x]);
dat = ((dat & 0xf000) >> 12)|
((dat & 0x0f00) >> 4)|
((dat & 0x00f0) << 4)|
((dat & 0x000f) << 12);
sharedprotram[dst + x] = dat;
sharedprotram[dst + x] = BURN_ENDIAN_SWAP_INT16(dat);
}
}
else if (mode == 7)
@ -1177,13 +1177,13 @@ static void IGS022_reset()
// fill ram with A5 patern
for (i = 0; i < 0x4000/2; i++)
sharedprotram[i] = 0xa55a;
sharedprotram[i] = BURN_ENDIAN_SWAP_INT16(0xa55a);
// the auto-dma
UINT16 src = PROTROM[0x100 / 2];
UINT32 dst = PROTROM[0x102 / 2];
UINT16 size = PROTROM[0x104/ 2];
UINT16 mode = PROTROM[0x106 / 2];
UINT16 src = BURN_ENDIAN_SWAP_INT16(PROTROM[0x100 / 2]);
UINT32 dst = BURN_ENDIAN_SWAP_INT16(PROTROM[0x102 / 2]);
UINT16 size = BURN_ENDIAN_SWAP_INT16(PROTROM[0x104/ 2]);
UINT16 mode = BURN_ENDIAN_SWAP_INT16(PROTROM[0x106 / 2]);
src = ((src & 0xff00) >> 8) | ((src & 0x00ff) << 8);
dst = ((dst & 0xff00) >> 8) | ((dst & 0x00ff) << 8);
@ -1196,19 +1196,19 @@ static void IGS022_reset()
// there is also a version ID? (or is it some kind of checksum) that is stored in the data rom, and gets copied..
// Dragon World 3 checks it
tmp = PROTROM[0x114/2];
tmp = BURN_ENDIAN_SWAP_INT16(PROTROM[0x114/2]);
tmp = ((tmp & 0xff00) >> 8) | ((tmp & 0x00ff) << 8);
sharedprotram[0x2a2/2] = tmp;
sharedprotram[0x2a2/2] = BURN_ENDIAN_SWAP_INT16(tmp);
}
void IGS022_handle_command()
{
UINT16 cmd = sharedprotram[0x200/2];
UINT16 cmd = BURN_ENDIAN_SWAP_INT16(sharedprotram[0x200/2]);
if (cmd == 0x6d) // Store values to asic ram
{
UINT32 p1 = (sharedprotram[0x298/2] << 16) | sharedprotram[0x29a/2];
UINT32 p2 = (sharedprotram[0x29c/2] << 16) | sharedprotram[0x29e/2];
UINT32 p1 = (BURN_ENDIAN_SWAP_INT16(sharedprotram[0x298/2]) << 16) | BURN_ENDIAN_SWAP_INT16(sharedprotram[0x29a/2]);
UINT32 p2 = (BURN_ENDIAN_SWAP_INT16(sharedprotram[0x29c/2]) << 16) | BURN_ENDIAN_SWAP_INT16(sharedprotram[0x29e/2]);
if ((p2 & 0xffff) == 0x9) // Set value
{
@ -1246,10 +1246,10 @@ void IGS022_handle_command()
if(cmd == 0x4f) //memcpy with encryption / scrambling
{
UINT16 src = sharedprotram[0x290 / 2] >> 1; // ?
UINT32 dst = sharedprotram[0x292 / 2];
UINT16 size = sharedprotram[0x294 / 2];
UINT16 mode = sharedprotram[0x296 / 2];
UINT16 src = BURN_ENDIAN_SWAP_INT16(sharedprotram[0x290 / 2]) >> 1; // ?
UINT32 dst = BURN_ENDIAN_SWAP_INT16(sharedprotram[0x292 / 2]);
UINT16 size = BURN_ENDIAN_SWAP_INT16(sharedprotram[0x294 / 2]);
UINT16 mode = BURN_ENDIAN_SWAP_INT16(sharedprotram[0x296 / 2]);
IGS022_do_dma(src,dst,size,mode);
}