uvmac/src/PATCHES/SONYDRV.c
2023-09-23 14:01:14 -07:00

98 lines
2.2 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"
#ifdef _MSC_VER
#include <Windows.h>
#endif
#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
#ifndef _MSC_VER
INCBIN(SonyDriver, "rsrc/SONYDRV.bin");
INCBIN(SonyIcon, "rsrc/SONYICO.bin");
#endif
void Sony_LoadDriver(uint8_t *pto, int *size)
{
#ifdef _MSC_VER
HRSRC hDrvInfo = FindResource(NULL, "SONY_DRV", RT_RCDATA);
HGLOBAL hDrv = LoadResource(NULL, hDrvInfo);
DWORD sDrv = SizeofResource(NULL, hDrvInfo);
void *pDrv = LockResource(hDrv);
memcpy(pto, pDrv, sDrv);
*size = sDrv;
#else
memcpy(pto, gSonyDriverData, gSonyDriverSize);
*size = gSonyDriverSize;
#endif
}
void Sony_LoadIcon(uint8_t *pto, int *icoSize)
{
disk_icon_addr = (pto - ROM) + kROM_Base;
#ifdef _MSC_VER
HRSRC hIcoInfo = FindResource(NULL, "SONY_ICO", RT_RCDATA);
HGLOBAL hIco = LoadResource(NULL, hIcoInfo);
DWORD sIco = SizeofResource(NULL, hIcoInfo);
void *pIco = LockResource(hIco);
memcpy(pto, pIco, sIco);
pto += sizeof(sIco);
#else
memcpy(pto, gSonyIconData, gSonyIconSize);
*icoSize = gSonyIconSize;
#endif
}
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);
}