mirror of
https://github.com/chocolate-doom/research.git
synced 2024-12-01 08:31:59 +00:00
32 lines
978 B
Diff
32 lines
978 B
Diff
--- dosbox-0.72-clean/src/hardware/adlib.cpp 2009-02-19 18:12:05.000000000 +0000
|
|
+++ dosbox-0.72/src/hardware/adlib.cpp 2009-03-12 18:15:41.000000000 +0000
|
|
@@ -135,15 +135,17 @@
|
|
|
|
static Bitu OPL_Read(Bitu port,Bitu iolen) {
|
|
Bitu addr=port & 3;
|
|
+ Bitu result = 0xff;
|
|
switch (opl.mode) {
|
|
case OPL_opl2:
|
|
- return OPL2::YM3812Read(0,addr);
|
|
+ result = OPL2::YM3812Read(0,addr);
|
|
case OPL_dualopl2:
|
|
- return OPL2::YM3812Read(addr>>1,addr);
|
|
+ result = OPL2::YM3812Read(addr>>1,addr);
|
|
case OPL_opl3:
|
|
- return THEOPL3::YMF262Read(0,addr);
|
|
+ result = THEOPL3::YMF262Read(0,addr);
|
|
}
|
|
- return 0xff;
|
|
+ printf("OPL_read: %x -> %x\n", addr, result);
|
|
+ return result;
|
|
}
|
|
|
|
static void OPL_RawAdd(Bitu index,Bitu val);
|
|
@@ -160,6 +162,7 @@
|
|
if (opl.raw.capturing) OPL_RawAdd(index,val);
|
|
} else opl.raw.cmd[port>>1]=val;
|
|
if (!port) adlib_commandreg=val;
|
|
+ printf("OPL_write: %x, %x\n", port, val);
|
|
switch (opl.mode) {
|
|
case OPL_opl2:
|
|
OPL2::YM3812Write(0,port,val);
|