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bin/rom8M.bin
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bin/rom8M.bin
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11
rdisk.c
11
rdisk.c
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@ -53,12 +53,11 @@ void C24(Ptr sourcePtr, Ptr destPtr, unsigned long byteCount) {
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}
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}
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// Switch to 32-bit mode and patch
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// Switch to 32-bit mode and patch
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#pragma parameter P24(__A0, __A1)
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#pragma parameter P24(__A2, __D3)
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void __attribute__ ((noinline)) P24(Ptr ptr, Ptr patch) {
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void __attribute__ ((noinline)) P24(Ptr ptr, char patch) {
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signed char mode = true32b;
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signed char mode = true32b;
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SwapMMUMode(&mode);
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SwapMMUMode(&mode);
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if (*patch == 0x44) { Debugger(); }
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*ptr = patch; // Patch byte
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//*ptr = *patch; // Patch byte
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SwapMMUMode(&mode);
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SwapMMUMode(&mode);
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}
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}
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@ -165,8 +164,8 @@ static void RDInit(IOParamPtr p, DCtlPtr d, RDiskStorage_t *c) {
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// Patch debug and CD-ROM enable bytes
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// Patch debug and CD-ROM enable bytes
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if (c->ramdisk) {
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if (c->ramdisk) {
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if (!dbgEN /*&& *RDiskDBGDisPos >= 0*/) { patch24(c->ramdisk + 0x00000031UL, RDiskDBGDisByte); }
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if (!dbgEN /*&& *RDiskDBGDisPos >= 0*/) { patch24(c->ramdisk + 0x00000031UL, 0x44); }
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if (!cdrEN /*&& *RDiskCDRDisPos >= 0*/) { patch24(c->ramdisk + 0x00012CAFUL, RDiskCDRDisByte); }
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if (!cdrEN /*&& *RDiskCDRDisPos >= 0*/) { patch24(c->ramdisk + 0x00012CAFUL, 0x44); }
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}
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}
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// Unmount if not booting from ROM disk
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// Unmount if not booting from ROM disk
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4
rdisk.h
4
rdisk.h
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@ -37,8 +37,8 @@ typedef struct RDiskStorage_s {
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typedef void (*RDiskCopy_t)(Ptr, Ptr, unsigned long);
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typedef void (*RDiskCopy_t)(Ptr, Ptr, unsigned long);
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#define copy24(s, d, b) { RDiskCopy_t f = C24; f(s, d, b); }
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#define copy24(s, d, b) { RDiskCopy_t f = C24; f(s, d, b); }
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typedef void (*RDiskPatch_t)(Ptr, Ptr);
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typedef void (*RDiskPatch_t)(Ptr, char);
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#define patch24(d, s) { RDiskPatch_t f = P24; f(d, s); }
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#define patch24(a, d) { RDiskPatch_t f = P24; f(a, d); }
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#define PackBits_Repeat(count) (-1 * (count - 1))
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#define PackBits_Repeat(count) (-1 * (count - 1))
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#define PackBits_Literal(count) (count - 1)
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#define PackBits_Literal(count) (count - 1)
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