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hook_getkey兼容更多的BIOS版本

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tpu 2024-05-15 19:51:59 +08:00
parent e6854bf651
commit 3398b8451e
1 changed files with 23 additions and 2 deletions
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25
Firm_Saturn/game_load.c
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@ -34,6 +34,18 @@ static void hook_getkey(void)
if(*(u32*)(0x0604d8e0) == 0x06044204){
orig_func = (void*)0x06044204;
*(u32*)(0x0604d8e0) = (u32)cdp_hook;
}else if(*(u32*)(0x0604d8b0) == 0x06044204){
// V-Saturn 1.01
orig_func = (void*)0x06044204;
*(u32*)(0x0604d8b0) = (u32)cdp_hook;
}else if(*(u32*)(0x0604ecec) == 0x06044ae0){
// 1.00a(U)
orig_func = (void*)0x06044ae0;
*(u32*)(0x0604ecec) = (u32)cdp_hook;
}else if(*(u32*)(0x0604ed0c) == 0x06044ae0){
// 1.01a(U)
orig_func = (void*)0x06044ae0;
*(u32*)(0x0604ed0c) = (u32)cdp_hook;
}
}else{
printk("Unkonw BIOS ver!\n");
@ -43,8 +55,6 @@ static void hook_getkey(void)
static int cdp_boot(void)
{
//set_imask(0x0f);
int pad = (sk0)? sk0 : sk1;
printk("cdp_boot! PAD=%04x\n", pad);
@ -86,6 +96,15 @@ static int cdp_read_ip(void)
}
static void (*orig_0344)(int, int);
static void my_0344(int and, int or)
{
hook_getkey();
orig_0344(and, or);
}
// 调用04c8的代码必须在内部RAM中运行。
static void _call_04c8(void)
{
@ -174,6 +193,8 @@ void my_cdplayer(void)
*(u32*)(0x060013dc) = (u32)cdp_read_ip;
}
orig_0344 = (void*)*(u32*)(0x06000344);
*(u32*)(0x06000344) = (u32)my_0344;
*(u32*)(0x06000234) = 0x02ac;
*(u32*)(0x06000238) = 0x02bc;