uvmac/src/PATCHES/SONYDRV.c
2023-09-23 13:45:18 -07:00

83 lines
1.8 KiB
C

/*
Replacement for .Sony driver
68k machine code, compiled from mydriver.a
Included in the resource file for WIN32 builds
*/
#include <stdint.h>
#include <string.h>
#include "incbin/incbin.h"
#include "EMCONFIG.h"
#include "GLOBGLUE.h"
#include "UTIL/ENDIANAC.h"
#include "UI/MYOSGLUE.h"
#include "PATCHES/SONYDRV.h"
#include "PATCHES/ROMEMDEV.h"
//#include "PATCHES/SCRNHACK.h"
// temporary screenhack stuff
#include "HW/SCREEN/SCRNEMDV.h"
// Include binaries
INCBIN(SonyDriver, "rsrc/SONYDRV.bin");
INCBIN(SonyIcon, "rsrc/SONYICO.bin");
#ifdef gSonyDriverData
void Sony_LoadDriver(uint8_t *pto, int *size)
{
memcpy(pto, gSonyDriverData, gSonyDriverSize);
*size = gSonyDriverSize;
}
void Sony_LoadIcon(uint8_t *pto, int *icoSize)
{
disk_icon_addr = (pto - ROM) + kROM_Base;
memcpy(pto, gSonyIconData, gSonyIconSize);
*icoSize = gSonyIconSize;
}
void Sony_TwiggyPatch(uint8_t *pto)
{
if (CurEmMd == kEmMd_Twiggy || CurEmMd == kEmMd_Twig43) {
/* 'Disk' instead of 'Sony' */
do_put_mem_long(pto + 0x14, 0x4469736B);
if (CurEmMd == kEmMd_Twig43) {
do_put_mem_word(pto + 0xEA, 0x0C8A);
} else {
do_put_mem_word(pto + 0xEA, 0x0B74);
}
}
}
void Sony_CallPatch(uint8_t *pto, int drvSize)
{
do_put_mem_word(pto, kcom_callcheck);
do_put_mem_word(pto+2, kExtnSony);
do_put_mem_long(pto+4, kExtn_Block_Base); /* pokeaddr */
}
void Sony_Install(void)
{
uint8_t * pto = Sony_DriverBase + ROM;
int drvSize, icoSize;
if (!UseSonyPatch) { return; }
Sony_LoadDriver(pto, &drvSize);
Sony_TwiggyPatch(pto);
pto += drvSize;
Sony_CallPatch(pto, drvSize);
pto += 8;
Sony_LoadIcon(pto, &icoSize);
pto += icoSize;
// currently broken
//ScreenHack_Install(&pto);
}
#else
// Can't load patches; just stub this out for now
void Sony_Install(void)
{
return;
}
#endif