diff options
Diffstat (limited to 'opl/examples/droplay.c')
-rw-r--r-- | opl/examples/droplay.c | 31 |
1 files changed, 0 insertions, 31 deletions
diff --git a/opl/examples/droplay.c b/opl/examples/droplay.c index d53a427b..36f5c3c0 100644 --- a/opl/examples/droplay.c +++ b/opl/examples/droplay.c @@ -73,30 +73,6 @@ void ClearAllRegs(void) } } -// Detect an OPL chip. - -int DetectOPL(void) -{ - int val1, val2; - - WriteReg(OPL_REG_TIMER_CTRL, 0x60); - WriteReg(OPL_REG_TIMER_CTRL, 0x80); - - val1 = OPL_ReadPort(OPL_REGISTER_PORT) & 0xe0; - - WriteReg(OPL_REG_TIMER1, 0xff); - WriteReg(OPL_REG_TIMER_CTRL, 0x21); - - OPL_Delay(1); - - val2 = OPL_ReadPort(OPL_REGISTER_PORT) & 0xe0; - - WriteReg(OPL_REG_TIMER_CTRL, 0x60); - WriteReg(OPL_REG_TIMER_CTRL, 0x80); - - return val1 == 0 && val2 == 0xc0; -} - void Init(void) { if (SDL_Init(SDL_INIT_TIMER) < 0) @@ -110,12 +86,6 @@ void Init(void) fprintf(stderr, "Unable to initialise OPL layer\n"); exit(-1); } - - if (!DetectOPL()) - { - fprintf(stderr, "Adlib not detected\n"); - exit(-1); - } } void Shutdown(void) @@ -236,7 +206,6 @@ int main(int argc, char *argv[]) } Init(); - ClearAllRegs(); PlayFile(argv[1]); |