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pcecd: sgx mode for CD games.

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This commit is contained in:
sorgelig
2020-10-27 22:17:03 +08:00
parent 6178d1d23a
commit 2e0046cfd7
1 changed files with 12 additions and 4 deletions
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16
support/pcecd/pcecd.cpp
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@@ -132,7 +132,7 @@ static char us_sig[] =
0x76, 0x96, 0xC6, 0xCE, 0x34, 0x32, 0x2E, 0x26,
0x74, 0x00 };
static int load_bios(char *biosname, const char *cuename)
static int load_bios(char *biosname, const char *cuename, int sgx)
{
fileTYPE f;
if (!FileOpen(&f, biosname)) return 0;
@@ -152,7 +152,9 @@ static int load_bios(char *biosname, const char *cuename)
swap = !memcmp(buf, us_sig, sizeof(us_sig)) ? 1 : 0;
}
user_io_set_index(0);
printf("CD SGX mode = %d\n", sgx);
user_io_set_index(sgx ? 1 : 0);
user_io_set_download(1);
FileSeek(&f, start, SEEK_SET);
@@ -205,6 +207,8 @@ void pcecd_set_image(int num, const char *filename)
pcecdd.latency = 10;
pcecdd.SendData = pcecd_send_data;
int sgx = 0;
// load CD BIOS
strcpy(buf, filename);
char *p = strrchr(buf, '/');
@@ -212,14 +216,18 @@ void pcecd_set_image(int num, const char *filename)
if (p)
{
p++;
strcpy(p, "sgx");
if (FileExists(buf)) sgx = 1;
strcpy(p, "cd_bios.rom");
loaded = load_bios(buf, filename);
loaded = load_bios(buf, filename, sgx);
}
if (!loaded)
{
sprintf(buf, "%s/cd_bios.rom", HomeDir(PCECD_DIR));
loaded = load_bios(buf, filename);
loaded = load_bios(buf, filename, sgx);
}
if (!loaded) Info("CD BIOS not found!", 4000);