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gamepatch update: wakuwaku7 speedup

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tpu 2023-03-18 22:29:56 +08:00
parent d98055a743
commit e39289ae99
3 changed files with 36 additions and 11 deletions
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27
Firm_Saturn/cdblock.c
View file

@ -901,6 +901,7 @@ int bios_cd_cmd(void)
*(u32*)(0x06000290) = 3;
ip_size = bios_loadcd_read();//1912读取ip文件
*(u32*)(0x06002270) = read_1st;
*(u32*)(0x02000f04) = cdc_read_sector;
*(u16*)(0x0600220c) = 9;
retv = my_bios_loadcd_boot(ip_size, 0x18be);//跳到18be
@ -960,31 +961,37 @@ void cdc_init(void)
}
int cdc_read_sector(u8 *buf, int fad, int num)
int cdc_read_sector(int fad, int size, u8 *buf)
{
int nsec, retv, status;
int nsec, retv, status, num;
num = (size+3)&0xfffffffc;
cdc_set_size(0);
cdc_reset_selector(0, 0);
cdc_cddev_connect(0);
cdc_play_fad(0, fad, num);
cdc_play_fad(0, fad, (size+0x7ff)>>11);
while(num>0){
retv = cdc_get_numsector(0, &nsec);
if(retv<0)
break;
return retv;
if(nsec==0)
continue;
cdc_get_del_data(0, 0, nsec);
cdc_trans_data(buf, 2048*nsec);
if(num>=2048)
nsec=2048;
else
nsec=num;
cdc_get_del_data(0, 0, 1);
cdc_trans_data(buf, nsec);
cdc_end_trans(&status);
buf += 2048*nsec;
buf += nsec;
num -= nsec;
}
return retv;
return size;
}
void cdc_read_test(void)
@ -1076,7 +1083,7 @@ void cd_cmd(void)
cdc_read_test();
//cdc_read_sector(0x06040000, 0xd5, 0x195);
//cdc_read_sector(0xd5, 0x195, 0x06040000);
}

14
Firm_Saturn/game_patch.c
View file

@ -327,6 +327,20 @@ void WAKU7_patch(void)
SS_CTRL = (SAROO_EN | CS0_RAM1M);
*(u32*)(0x0601C19C) = 0x34403440;
*(u16*)(0x0601C16C) = 0x9;
*(u8*) (0x0601244d) = 0xa;
*(u32*)(0x06011E64+0x00) = 0xD207D108;
*(u32*)(0x06011E64+0x04) = 0x60436322;
*(u32*)(0x06011E64+0x08) = 0x44087370;
*(u32*)(0x06011E64+0x0c) = 0x40084000;
*(u32*)(0x06011E64+0x10) = 0x4408523C;
*(u32*)(0x06011E64+0x14) = 0x340C6312;
*(u32*)(0x06011E64+0x18) = 0x324C5521;
*(u32*)(0x06011E64+0x1c) = 0x432B6422;
*(u32*)(0x06011E64+0x20) = 0x0603439C;
*(u32*)(0x06011E64+0x24) = 0x02000F04;
}

6
Firm_Saturn/main.h
View file

@ -9,6 +9,7 @@ typedef unsigned short u16;
typedef unsigned int u32;
typedef unsigned long long u64;
#define REG(x) (*(volatile unsigned int*)(x))
#define REG32(x) (*(volatile unsigned int*)(x))
#define REG16(x) (*(volatile unsigned short*)(x))
@ -48,7 +49,10 @@ typedef unsigned long long u64;
#define bios_run_cd_player INDIRECT_CALL(0x0600026C, void, void)
int bios_cd_cmd(void);
int read_1st(void);
void CHEAT_patch(void);
void RUN_CHEAT(void);
int cdc_read_sector(int fad, int size, u8 *buf);
/*****************************************************************************/