Macintosh-HW
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MacIIROMDiskDriver
mirror of https://github.com/garrettsworkshop/MacIIROMDiskDriver.git
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Just make the patch explicit

This commit is contained in:
Zane Kaminski 2021-04-01 21:22:55 -04:00
parent 266e1a9650
commit 8f8dbc83d5
3 changed files with 6 additions and 7 deletions
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13
rdisk.c
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@ -57,21 +57,20 @@ void C24(Ptr sourcePtr, Ptr destPtr, unsigned long byteCount) {
}
// Switch to 32-bit mode and patch
void P24(Ptr dbg, Ptr cdrom, char dbgByte, char cdromByte) {
void P24(Ptr romdisk, char dbgByte, char cdromByte) {
signed char mode = true32b;
SwapMMUMode(&mode);
// Patch debug and CD-ROM disable bytes
if (dbg) { *dbg = 0x44; }
romdisk[0x31] = 0x44;
//if (dbg) { *dbg = 0x44; }
//if (cdrom) { *cdrom = 0x44; }
SwapMMUMode(&mode);
}
typedef void (*RDiskPatch_t)(Ptr, Ptr, char, char);
static void patch24(Ptr buf, char dbgEN, char cdromEN) {
typedef void (*RDiskPatch_t)(Ptr, char, char);
static void patch24(Ptr romdisk, char dbgEN, char cdromEN) {
RDiskPatch_t fun = (RDiskPatch_t)P24;
fun(/*dbgEN ?*/ buf + *RDiskDBGDisPos /*: (Ptr)0*/,
/*cdromEN ?*/ buf + *RDiskCDROMDisPos /*: (Ptr)0*/,
*RDiskDBGDisByte, *RDiskCDROMDisPos);
fun(romdisk, dbgEN, cdromEN);
}
// Figure out the first available drive number >= 5