misc: setup GPU if logos are skipped

some games rely on the state BIOS leaves

diff --git a/libpcsxcore/misc.c b/libpcsxcore/misc.c
index 034e5e0..2fe5600 100644 (file)
--- a/libpcsxcore/misc.c
+++ b/libpcsxcore/misc.c
@@ -142,6 +142,28 @@ int GetCdromFile(u8 *mdir, u8 *time, s8 *filename) {
        return 0;
 }
 
+static const unsigned int gpu_ctl_def[] = {
+       0x00000000, 0x01000000, 0x03000000, 0x04000000,
+       0x05000800, 0x06c60260, 0x0703fc10, 0x08000027,
+};
+
+static const unsigned int gpu_data_def[] = {
+       0xe100360b, 0xe2000000, 0xe3000800, 0xe4077e7f,
+       0xe5001000, 0xe6000000,
+       0x02000000, 0x00000000, 0x01ff03ff,
+};
+
+static void fake_bios_gpu_setup(void)
+{
+       int i;
+
+       for (i = 0; i < sizeof(gpu_ctl_def) / sizeof(gpu_ctl_def[0]); i++)
+               GPU_writeStatus(gpu_ctl_def[i]);
+
+       for (i = 0; i < sizeof(gpu_data_def) / sizeof(gpu_data_def[0]); i++)
+               GPU_writeData(gpu_data_def[i]);
+}
+
 int LoadCdrom() {
        EXE_HEADER tmpHead;
        struct iso_directory_record *dir;
@@ -149,7 +171,12 @@ int LoadCdrom() {
        u8 mdir[4096];
        s8 exename[256];
 
+       // not the best place to do it, but since BIOS boot logo killer
+       // is just below, do it here
+       fake_bios_gpu_setup();
+
        if (!Config.HLE) {
+               // skip BIOS logos
                psxRegs.pc = psxRegs.GPR.n.ra;
                return 0;
        }