Macintosh-SW
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ROMBUSDriver
mirror of https://github.com/garrettsworkshop/ROMBUSDriver.git
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Rename stuff to ROMBUS/RB

This commit is contained in:
Zane Kaminski 2021-08-07 13:20:49 -04:00
parent 3d1073a665
commit 2cc1076981
4 changed files with 149 additions and 187 deletions
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12
Makefile
View File

@ -5,7 +5,7 @@ LD=$(PREFIX)-ld
OBJCOPY=$(PREFIX)-objcopy OBJCOPY=$(PREFIX)-objcopy
OBJDUMP=$(PREFIX)-objdump OBJDUMP=$(PREFIX)-objdump
all: bin/ROMBUS.bin obj/rdisk.s obj/driver.s obj/driver_abs.sym all: bin/ROMBUS.bin obj/rombus.s obj/driver.s obj/driver_abs.sym
obj: obj:
mkdir $@ mkdir $@
@ -20,14 +20,14 @@ obj/entry_rel.sym: obj obj/entry.o
$(OBJDUMP) -t obj/entry.o > $@ $(OBJDUMP) -t obj/entry.o > $@
obj/rdisk.o: rdisk.c obj obj/rombus.o: rombus.c obj
$(CC) -Wall -march=68030 -c -Os $< -o $@ $(CC) -Wall -march=68030 -c -Os $< -o $@
obj/rdisk.s: obj obj/rdisk.o obj/rombus.s: obj obj/rombus.o
$(OBJDUMP) -d obj/rdisk.o > $@ $(OBJDUMP) -d obj/rombus.o > $@
obj/driver.o: obj obj/entry.o obj/rdisk.o obj/driver.o: obj obj/entry.o obj/rombus.o
$(LD) -Ttext=40851D70 -o $@ obj/entry.o obj/rdisk.o $(LD) -Ttext=40851D70 -o $@ obj/entry.o obj/rombus.o
obj/driver.s: obj obj/driver.o obj/driver.s: obj obj/driver.o
$(OBJDUMP) -d obj/driver.o > $@ $(OBJDUMP) -d obj/driver.o > $@

30
entry.s
View File

@ -8,49 +8,33 @@
dc.l 0x00000000, 0x00000000, 0x00000000, 0x00000000 dc.l 0x00000000, 0x00000000, 0x00000000, 0x00000000
dc.l 0x00000000, 0x00000000, 0x00000000, 0x00000000 dc.l 0x00000000, 0x00000000, 0x00000000, 0x00000000
RDiskSig: SDiskSig:
.ascii "\5RDisk\0" .ascii "\5SDisk\0"
.align 4
RDiskDBGDisPos:
dc.l 0x00000031
RDiskCDRDisPos:
dc.l 0xFFFFFFFF
RDiskDBGNameAddr:
dc.l 0x4088002A
RDiskCDRNameAddr:
dc.l 0x00000000
RDiskDBGDisByte:
dc.b 0x44
RDiskCDRDisByte:
dc.b 0x44
RDiskRAMRequired:
.ascii "16"
.align 4 .align 4
RDiskSize: RDiskSize:
dc.l 0x00780000 dc.l 0x00780000
DOpen: DOpen:
movem.l %A0-%A1, -(%SP) movem.l %A0-%A1, -(%SP)
bsr RDOpen bsr RBOpen
movem.l (%SP)+, %A0-%A1 movem.l (%SP)+, %A0-%A1
rts rts
DClose: DClose:
movem.l %A0-%A1, -(%SP) movem.l %A0-%A1, -(%SP)
bsr RDClose bsr RBClose
movem.l (%SP)+, %A0-%A1 movem.l (%SP)+, %A0-%A1
rts rts
DPrime: DPrime:
movem.l %A0-%A1, -(%SP) movem.l %A0-%A1, -(%SP)
bsr RDPrime bsr RBPrime
movem.l (%SP)+, %A0-%A1 movem.l (%SP)+, %A0-%A1
bra.b IOReturn bra.b IOReturn
DControl: DControl:
movem.l %A0-%A1, -(%SP) movem.l %A0-%A1, -(%SP)
bsr RDCtl bsr RBCtl
movem.l (%SP)+, %A0-%A1 movem.l (%SP)+, %A0-%A1
cmpi.w #killCode, kcsCode(%A0) cmpi.w #killCode, kcsCode(%A0)
bne.b IOReturn bne.b IOReturn
@ -58,7 +42,7 @@ DControl:
DStatus: DStatus:
movem.l %A0-%A1, -(%SP) movem.l %A0-%A1, -(%SP)
bsr RDStat bsr RBStat
movem.l (%SP)+, %A0-%A1 movem.l (%SP)+, %A0-%A1
IOReturn: IOReturn:

206
rdisk.c → rombus.c
View File

@ -6,46 +6,56 @@
#include <Events.h> #include <Events.h>
#include <OSUtils.h> #include <OSUtils.h>
#include "rdisk.h" #include "rombus.h"
// Decode keyboard/PRAM settings // Decode keyboard/PRAM settings
static void RDDecodeSettings(Ptr unmountEN, Ptr mountEN, Ptr dbgEN, Ptr cdrEN) { static void RBDecodeSettings(Ptr unmountROMEN, Ptr mountROMEN, Ptr unmountSDEN, Ptr mountSDEN) {
// Sample R key repeatedly // Sample R, S, X keys repeatedly
char r = 0; char r = 0, s = 0, x = 0;
long tmax = TickCount() + 60; long tmax = TickCount() + 60;
for (long i = 0; i < 1000000; i++) { for (long i = 0; i < 1000000; i++) {
r |= RDiskIsRPressed(); r |= RBIsRPressed();
if (r) { break; } s |= RBIsSPressed();
x |= RBIsXPressed();
if (r || s || x) { break; }
if (TickCount() > tmax) { break; } if (TickCount() > tmax) { break; }
} }
// Read PRAM // Read PRAM
char legacy_startup; char legacy_startup;
RDiskReadXPRAM(1, 4, &legacy_startup); RBReadXPRAM(1, 4, &legacy_startup);
// Decode settings: unmount (don't boot), mount (after boot), RAM disk // Decode settings: unmount (don't boot), mount (after boot), RAM disk
if (r) { // R boots from ROM disk if (x) { // X disables ROM disk and SD
*unmountEN = 0; // Don't unmount so we boot from this drive *unmountROMEN = 1; // Unmount ROM disk volume
*mountEN = 0; // No need to mount later since we are boot disk *mountROMEN = 0; // Don't mount ROM later
*dbgEN = 0; *unmountSDEN = 1; // Unmount SD volume
*cdrEN = 0; *mountSDEN = 0; // Don't mount SD later
} else if (r) { // R boots from ROM disk and mount SD later
*unmountROMEN = 0; // Don't unmount so we boot from ROM
*mountROMEN = 0; // No need to mount ROM later since already mounted
*unmountSDEN = 1; // Unmount SD volume so we don't boot from it
*mountSDEN = 1; // Mount SD later
} else if (s) { // S boots from SD
*unmountROMEN = 1; // Unmount ROM disk volume so we don't boot from it
*mountROMEN = 1; // Mount ROM disk later
*unmountSDEN = 0; // Don't unmount so we boot from SD
*mountSDEN = 0; // No need to mount SD later since already mounted
} else if (legacy_startup & 0x04) { // Boot from SD
*unmountROMEN = 1; // Unmount ROM disk volume so we don't boot from it
*mountROMEN = !(legacy_startup & 0x02); // Mount ROM disk later if setting
*unmountSDEN = 0; // Don't unmount so we boot from SD
*mountSDEN = 0; // No need to mount later since already mounted
} else if (legacy_startup & 0x01) { // Boot from ROM
*unmountROMEN = 0; // Don't unmount so we boot from ROM
*mountROMEN = 0; // No need to mount later since already mounted
*unmountSDEN = 1; // Unmount SD volume so we don't boot from it
*mountSDEN = !(legacy_startup & 0x08); // Mount SD later if setting
} else { } else {
if (legacy_startup & 0x01) { // Boot from ROM disk *unmountROMEN = 1; // Unmount ROM disk volume so we don't boot from it
*unmountEN = 0; // Don't unmount so we boot from this drive *mountROMEN = !(legacy_startup & 0x02); // Mount ROM disk later if setting
*mountEN = 0; // No need to mount later since we are boot disk *unmountSDEN = 1; // Unmount SD volume so we don't boot from it
*dbgEN = legacy_startup & 0x04; // MacsBug enabled if bit 2 == 1 *mountSDEN = !(legacy_startup & 0x08); // Mount SD later if setting
*cdrEN = legacy_startup & 0x08; // CD-ROM enabled if bit 3 == 1
} else if (!(legacy_startup & 0x02)) { // Mount ROM disk
*unmountEN = 1; // Unmount to not boot from our disk
*mountEN = 1; // Mount in accRun
*dbgEN = 1; // CD-ROM ext. always enabled in mount mode
*cdrEN = 1; // MacsBug always enabled in mount mode
} else {
*unmountEN = 1; // Unmount
*mountEN = 0; // Don't mount again
*dbgEN = 1; // CD-ROM ext. always enabled in unmount mode
*cdrEN = 1; // MacsBug always enabled in unmount mode
}
} }
} }
@ -58,19 +68,8 @@ void __attribute__ ((noinline)) C24(Ptr sourcePtr, Ptr destPtr, unsigned long by
SwapMMUMode(&mode); SwapMMUMode(&mode);
} }
// Switch to 32-bit mode and get
#pragma parameter __D0 G24(__A2)
char __attribute__ ((noinline)) G24(Ptr pos) {
long ret;
signed char mode = true32b;
SwapMMUMode(&mode);
ret = *pos; // Peek
SwapMMUMode(&mode);
return ret;
}
// Figure out the first available drive number >= 5 // Figure out the first available drive number >= 5
static int RDFindDrvNum() { static int RBFindDrvNum() {
DrvQElPtr dq; DrvQElPtr dq;
int drvNum = 5; int drvNum = 5;
for (dq = (DrvQElPtr)(GetDrvQHdr())->qHead; dq; dq = (DrvQElPtr)dq->qLink) { for (dq = (DrvQElPtr)(GetDrvQHdr())->qHead; dq; dq = (DrvQElPtr)dq->qLink) {
@ -79,77 +78,66 @@ static int RDFindDrvNum() {
return drvNum; return drvNum;
} }
#pragma parameter __D0 RDOpen(__A0, __A1) #pragma parameter __D0 RBOpen(__A0, __A1)
OSErr RDOpen(IOParamPtr p, DCtlPtr d) { OSErr RBOpen(IOParamPtr p, DCtlPtr d) {
int drvNum; int drvNum;
RDiskStorage_t *c; RBStorage_t *c;
char legacy_startup; char legacy_startup;
// Do nothing if already opened // Do nothing if already opened
if (d->dCtlStorage) { return noErr; } if (d->dCtlStorage) { return noErr; }
// Do nothing if inhibited // Do nothing if inhibited
RDiskReadXPRAM(1, 4, &legacy_startup); RBReadXPRAM(1, 4, &legacy_startup);
if (legacy_startup & 0x80) { return noErr; } if (legacy_startup & 0x80) { return noErr; }
// Allocate storage struct // Allocate storage struct
d->dCtlStorage = NewHandleSysClear(sizeof(RDiskStorage_t)); d->dCtlStorage = NewHandleSysClear(sizeof(RBStorage_t));
if (!d->dCtlStorage) { return openErr; } if (!d->dCtlStorage) { return openErr; }
// Lock our storage struct and get master pointer // Lock our storage struct and get master pointer
HLock(d->dCtlStorage); HLock(d->dCtlStorage);
c = *(RDiskStorage_t**)d->dCtlStorage; c = *(RBStorage_t**)d->dCtlStorage;
// Find first available drive number // Find first available drive number
drvNum = RDFindDrvNum(); drvNum = RBFindDrvNum();
// Get debug and CD-ROM disable settings from ROM table
c->dbgDisByte = RDiskDBGDisByte;
c->cdrDisByte = RDiskCDRDisByte;
// Set drive status // Set drive status
//c->status.track = 0; //c->rdStatus.track = 0;
c->status.writeProt = -1; // nonzero is write protected c->rdStatus.writeProt = -1; // nonzero is write protected
c->status.diskInPlace = 8; // 8 is nonejectable disk c->rdStatus.diskInPlace = 8; // 8 is nonejectable disk
c->status.installed = 1; // drive installed c->rdStatus.installed = 1; // drive installed
//c->status.sides = 0; //c->rdStatus.sides = 0;
//c->status.qType = 1; //c->rdStatus.qType = 1;
c->status.dQDrive = drvNum; c->rdStatus.dQDrive = drvNum;
//c->status.dQFSID = 0; //c->rdStatus.dQFSID = 0;
c->status.dQRefNum = d->dCtlRefNum; c->rdStatus.dQRefNum = d->dCtlRefNum;
c->status.driveSize = RDiskSize / 512; c->rdStatus.driveSize = RDiskSize / 512;
//c->status.driveS1 = (RDiskSize / 512) >> 16; //c->rdStatus.driveS1 = (RDiskSize / 512) >> 16;
// Decompress icon // Decompress icons
#ifdef RDISK_COMPRESS_ICON_ENABLE
char *src = &RDiskIconCompressed[0]; char *src = &RDiskIconCompressed[0];
char *dst = &c->icon[0]; char *dst = &c->rdIcon[0];
UnpackBits(&src, &dst, RDISK_ICON_SIZE); UnpackBits(&src, &dst, RDISK_ICON_SIZE);
#endif src = &SDiskIconCompressed[0];
dst = &c->sdIcon[0];
UnpackBits(&src, &dst, SDISK_ICON_SIZE);
// Add drive to drive queue and return // Add drive to drive queue and return
RDiskAddDrive(c->status.dQRefNum, drvNum, (DrvQElPtr)&c->status.qLink); RBAddDrive(c->rdStatus.dQRefNum, drvNum, (DrvQElPtr)&c->rdStatus.qLink);
return noErr; return noErr;
} }
// Init is called at beginning of first prime (read/write) call // Init is called at beginning of first prime (read/write) call
static void RDInit(IOParamPtr p, DCtlPtr d, RDiskStorage_t *c) { static void RBInit(IOParamPtr p, DCtlPtr d, RBStorage_t *c) {
char unmountEN, mountEN, dbgEN, cdrEN; char unmountEN, mountEN, dbgEN, cdrEN;
// Mark init done // Mark init done
c->initialized = 1; c->initialized = 1;
// Decode settings // Decode settings
RDDecodeSettings(&unmountEN, &mountEN, &dbgEN, &cdrEN); RBDecodeSettings(&unmountEN, &mountEN, &dbgEN, &cdrEN);
// Patch
if (dbgEN && RDiskDBGDisPos < RDiskSize) {
peek24(RDiskBuf + RDiskDBGDisPos, c->dbgDisByte);
}
if (cdrEN && RDiskCDRDisPos < RDiskSize) {
peek24(RDiskBuf + RDiskCDRDisPos, c->cdrDisByte);
}
// Unmount if not booting from ROM disk // Unmount if not booting from ROM disk
if (unmountEN) { c->status.diskInPlace = 0; } if (unmountEN) { c->rdStatus.diskInPlace = 0; }
// If mount enabled, enable accRun to post disk inserted event later // If mount enabled, enable accRun to post disk inserted event later
if (mountEN) { if (mountEN) {
@ -158,24 +146,24 @@ static void RDInit(IOParamPtr p, DCtlPtr d, RDiskStorage_t *c) {
} }
} }
#pragma parameter __D0 RDPrime(__A0, __A1) #pragma parameter __D0 RBPrime(__A0, __A1)
OSErr RDPrime(IOParamPtr p, DCtlPtr d) { OSErr RBPrime(IOParamPtr p, DCtlPtr d) {
RDiskStorage_t *c; RBStorage_t *c;
char cmd; char cmd;
Ptr disk; Ptr disk;
// Return disk offline error if dCtlStorage null // Return disk offline error if dCtlStorage null
if (!d->dCtlStorage) { return notOpenErr; } if (!d->dCtlStorage) { return notOpenErr; }
// Dereference dCtlStorage to get pointer to our context // Dereference dCtlStorage to get pointer to our context
c = *(RDiskStorage_t**)d->dCtlStorage; c = *(RBStorage_t**)d->dCtlStorage;
// Initialize if this is the first prime call // Initialize if this is the first prime call
if (!c->initialized) { RDInit(p, d, c); } if (!c->initialized) { RBInit(p, d, c); }
// Return disk offline error if virtual disk not inserted // Return disk offline error if virtual disk not inserted
if (!c->status.diskInPlace) { return offLinErr; } if (!c->rdStatus.diskInPlace) { return offLinErr; }
// Get pointer to RAM or ROM disk buffer // Get pointer to ROM disk buffer
disk = RDiskBuf + d->dCtlPosition; disk = RDiskBuf + d->dCtlPosition;
// Bounds checking // Bounds checking
if (d->dCtlPosition >= RDiskSize || p->ioReqCount >= RDiskSize || if (d->dCtlPosition >= RDiskSize || p->ioReqCount >= RDiskSize ||
@ -187,14 +175,6 @@ OSErr RDPrime(IOParamPtr p, DCtlPtr d) {
// Read from disk into buffer. // Read from disk into buffer.
if (*MMU32bit) { BlockMove(disk, p->ioBuffer, p->ioReqCount); } if (*MMU32bit) { BlockMove(disk, p->ioBuffer, p->ioReqCount); }
else { copy24(disk, StripAddress(p->ioBuffer), p->ioReqCount); } else { copy24(disk, StripAddress(p->ioBuffer), p->ioReqCount); }
if (RDiskDBGDisPos >= d->dCtlPosition &&
RDiskDBGDisPos < d->dCtlPosition + p->ioReqCount) {
p->ioBuffer[RDiskDBGDisPos - d->dCtlPosition] = c->dbgDisByte;
}
if (RDiskCDRDisPos >= d->dCtlPosition &&
RDiskCDRDisPos < d->dCtlPosition + p->ioReqCount) {
p->ioBuffer[RDiskCDRDisPos - d->dCtlPosition] = c->cdrDisByte;
}
} else if (cmd == aWrCmd) { return wPrErr; } else if (cmd == aWrCmd) { return wPrErr;
} else { return noErr; } //FIXME: Fail if cmd isn't read or write? } else { return noErr; } //FIXME: Fail if cmd isn't read or write?
@ -204,37 +184,33 @@ OSErr RDPrime(IOParamPtr p, DCtlPtr d) {
return noErr; return noErr;
} }
#pragma parameter __D0 RDCtl(__A0, __A1) #pragma parameter __D0 RBCtl(__A0, __A1)
OSErr RDCtl(CntrlParamPtr p, DCtlPtr d) { OSErr RBCtl(CntrlParamPtr p, DCtlPtr d) {
RDiskStorage_t *c; RBStorage_t *c;
// Fail if dCtlStorage null // Fail if dCtlStorage null
if (!d->dCtlStorage) { return notOpenErr; } if (!d->dCtlStorage) { return notOpenErr; }
// Dereference dCtlStorage to get pointer to our context // Dereference dCtlStorage to get pointer to our context
c = *(RDiskStorage_t**)d->dCtlStorage; c = *(RBStorage_t**)d->dCtlStorage;
// Handle control request based on csCode // Handle control request based on csCode
switch (p->csCode) { switch (p->csCode) {
case killCode: return noErr; case killCode: return noErr;
case kFormat: return controlErr; case kFormat: return controlErr;
case kVerify: case kVerify:
if (!c->status.diskInPlace) { return controlErr; } if (!c->rdStatus.diskInPlace) { return controlErr; }
return noErr; return noErr;
case kEject: case kEject:
// "Reinsert" disk if ejected illegally // "Reinsert" disk if ejected illegally
if (c->status.diskInPlace) { if (c->rdStatus.diskInPlace) {
PostEvent(diskEvt, c->status.dQDrive); PostEvent(diskEvt, c->rdStatus.dQDrive);
} }
return controlErr; // Eject not allowed so return error return controlErr; // Eject not allowed so return error
case accRun: case accRun:
d->dCtlFlags &= ~dNeedTimeMask; // Disable accRun d->dCtlFlags &= ~dNeedTimeMask; // Disable accRun
c->status.diskInPlace = 8; // 8 is nonejectable disk c->rdStatus.diskInPlace = 8; // 8 is nonejectable disk
PostEvent(diskEvt, c->status.dQDrive); // Post disk inserted event PostEvent(diskEvt, c->rdStatus.dQDrive); // Post disk inserted event
return noErr; return noErr;
case kDriveIcon: case kMediaIcon: // Get icon case kDriveIcon: case kMediaIcon: // Get icon
#ifdef RDISK_COMPRESS_ICON_ENABLE *(Ptr*)p->csParam = (Ptr)c->rdIcon;
*(Ptr*)p->csParam = (Ptr)c->icon;
#else
*(Ptr*)p->csParam = (Ptr)RDiskIcon;
#endif
return noErr; return noErr;
case kDriveInfo: case kDriveInfo:
// high word (bytes 2 & 3) clear // high word (bytes 2 & 3) clear
@ -254,27 +230,27 @@ OSErr RDCtl(CntrlParamPtr p, DCtlPtr d) {
} }
} }
#pragma parameter __D0 RDStat(__A0, __A1) #pragma parameter __D0 RBStat(__A0, __A1)
OSErr RDStat(CntrlParamPtr p, DCtlPtr d) { OSErr RBStat(CntrlParamPtr p, DCtlPtr d) {
//RDiskStorage_t *c; RBStorage_t *c;
// Fail if dCtlStorage null // Fail if dCtlStorage null
if (!d->dCtlStorage) { return notOpenErr; } if (!d->dCtlStorage) { return notOpenErr; }
// Dereference dCtlStorage to get pointer to our context // Dereference dCtlStorage to get pointer to our context
//c = *(RDiskStorage_t**)d->dCtlStorage; c = *(RBStorage_t**)d->dCtlStorage;
// Handle status request based on csCode // Handle status request based on csCode
switch (p->csCode) { switch (p->csCode) {
case kDriveStatus: case kDriveStatus:
BlockMove(*d->dCtlStorage, &p->csParam, sizeof(DrvSts2)); BlockMove(&c->rdStatus, &p->csParam, sizeof(DrvSts2));
return noErr; return noErr;
default: return statusErr; default: return statusErr;
} }
} }
#pragma parameter __D0 RDClose(__A0, __A1) #pragma parameter __D0 RBClose(__A0, __A1)
OSErr RDClose(IOParamPtr p, DCtlPtr d) { OSErr RBClose(IOParamPtr p, DCtlPtr d) {
// If dCtlStorage not null, dispose of it // If dCtlStorage not null, dispose of it
if (!d->dCtlStorage) { return noErr; } if (!d->dCtlStorage) { return noErr; }
//RDiskStorage_t *c = *(RDiskStorage_t**)d->dCtlStorage; //RBStorage_t *c = *(RBStorage_t**)d->dCtlStorage;
HUnlock(d->dCtlStorage); HUnlock(d->dCtlStorage);
DisposeHandle(d->dCtlStorage); DisposeHandle(d->dCtlStorage);
d->dCtlStorage = NULL; d->dCtlStorage = NULL;

88
rdisk.h → rombus.h
View File

@ -1,50 +1,41 @@
#ifndef RDISK_H #ifndef ROMBUS_H
#define RDISK_H #define ROMBUS_H
#include <Quickdraw.h>
#define RDiskBuf ((char*)0x40880000) #define RDiskBuf ((char*)0x40880000)
#define BufPtr ((Ptr*)0x10C) #define BufPtr ((Ptr*)0x10C)
#define MemTop ((Ptr*)0x108) #define MemTop ((Ptr*)0x108)
#define MMU32bit ((char*)0xCB2) #define MMU32bit ((char*)0xCB2)
#define RDiskDBGDisPos (*(const unsigned long*)0x40851D98)
#define RDiskCDRDisPos (*(const unsigned long*)0x40851D9C)
#define RDiskDBGDisByte (*(const char*)0x40851DA8)
#define RDiskCDRDisByte (*(const char*)0x40851DA9)
#define RDiskSize (*(const unsigned long*)0x40851DAC) #define RDiskSize (*(const unsigned long*)0x40851DAC)
#define RDISK_COMPRESS_ICON_ENABLE #pragma parameter __D0 RBReadXPRAM(__D0, __D1, __A0)
OSErr RBReadXPRAM(short numBytes, short whichByte, Ptr dest) = {0x4840, 0x3001, 0xA051};
#pragma parameter __D0 RDiskReadXPRAM(__D0, __D1, __A0) #pragma parameter __D0 RBAddDrive(__D1, __D0, __A0)
OSErr RDiskReadXPRAM(short numBytes, short whichByte, Ptr dest) = {0x4840, 0x3001, 0xA051}; OSErr RBAddDrive(short drvrRefNum, short drvNum, DrvQElPtr dq) = {0x4840, 0x3001, 0xA04E};
#pragma parameter __D0 RDiskAddDrive(__D1, __D0, __A0) static inline char RBIsSPressed() { return *((volatile char*)0x174) & 0x02; }
OSErr RDiskAddDrive(short drvrRefNum, short drvNum, DrvQElPtr dq) = {0x4840, 0x3001, 0xA04E}; static inline char RBIsXPressed() { return *((volatile char*)0x174) & 0x80; }
static inline char RBIsRPressed() { return *((volatile char*)0x175) & 0x80; }
static inline char RDiskIsRPressed() { return *((volatile char*)0x175) & 0x80; }
#define RDISK_ICON_SIZE (285) #define RDISK_ICON_SIZE (285)
typedef struct RDiskStorage_s { #define SDISK_ICON_SIZE (285)
DrvSts2 status; typedef struct RBStorage_s {
DrvSts2 rdStatus;
DrvSts2 sdStatus;
char initialized; char initialized;
char dbgDisByte; char rdIcon[RDISK_ICON_SIZE+8];
char cdrDisByte; char sdIcon[SDISK_ICON_SIZE+8];
#ifdef RDISK_COMPRESS_ICON_ENABLE } RBStorage_t;
char icon[RDISK_ICON_SIZE+8];
#endif
} RDiskStorage_t;
typedef void (*RDiskCopy_t)(Ptr, Ptr, unsigned long); typedef void (*RBCopy_t)(Ptr, Ptr, unsigned long);
#define copy24(s, d, b) { RDiskCopy_t f = C24; f(s, d, b); } #define copy24(s, d, b) { RBCopy_t f = C24; f(s, d, b); }
typedef char (*RDiskPeek_t)(Ptr);
#define peek24(a, d) { RDiskPeek_t f = G24; d = f(a); }
#define PackBits_Repeat(count) (-1 * (count - 1)) #define PackBits_Repeat(count) (-1 * (count - 1))
#define PackBits_Literal(count) (count - 1) #define PackBits_Literal(count) (count - 1)
#define RDISK_COMPRESSED_ICON_SIZE (87) #define RDISK_COMPRESSED_ICON_SIZE (87)
#ifdef RDISK_COMPRESS_ICON_ENABLE
#include <Quickdraw.h>
const char RDiskIconCompressed[RDISK_COMPRESSED_ICON_SIZE] = { const char RDiskIconCompressed[RDISK_COMPRESSED_ICON_SIZE] = {
PackBits_Repeat(76), 0b00000000, /* PackBits_Repeat(76), 0b00000000, /*
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
@ -127,9 +118,10 @@ const char RDiskIconCompressed[RDISK_COMPRESSED_ICON_SIZE] = {
'W', 'o', 'r', 'k', 's', 'h', 'o', 'p', ' ', 'W', 'o', 'r', 'k', 's', 'h', 'o', 'p', ' ',
'R', 'O', 'M', ' ', 'D', 'i', 's', 'k', 0 'R', 'O', 'M', ' ', 'D', 'i', 's', 'k', 0
}; };
#else
const char RDiskIcon[RDISK_ICON_SIZE] = { #define SDISK_COMPRESSED_ICON_SIZE (86)
// Icon const char SDiskIconCompressed[SDISK_COMPRESSED_ICON_SIZE] = {
PackBits_Repeat(76), 0b00000000, /*
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
@ -148,8 +140,10 @@ const char RDiskIcon[RDISK_ICON_SIZE] = {
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, */
0b11111111, 0b11111111, 0b11111111, 0b11111111, PackBits_Repeat(4), 0b11111111, /*
0b11111111, 0b11111111, 0b11111111, 0b11111111, */
PackBits_Literal(36),
0b10000000, 0b00000000, 0b00000000, 0b00000001, 0b10000000, 0b00000000, 0b00000000, 0b00000001,
0b10001111, 0b00011110, 0b00111100, 0b01111001, 0b10001111, 0b00011110, 0b00111100, 0b01111001,
0b10001001, 0b00010010, 0b00100100, 0b01001001, 0b10001001, 0b00010010, 0b00100100, 0b01001001,
@ -159,11 +153,12 @@ const char RDiskIcon[RDISK_ICON_SIZE] = {
0b11000000, 0b00000000, 0b00000000, 0b00000001, 0b11000000, 0b00000000, 0b00000000, 0b00000001,
0b01010101, 0b01010101, 0b11010101, 0b01010101, 0b01010101, 0b01010101, 0b11010101, 0b01010101,
0b01111111, 0b11111111, 0b01111111, 0b11111111, 0b01111111, 0b11111111, 0b01111111, 0b11111111,
PackBits_Repeat(12), 0b00000000, /*
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, */
// Mask
0b00000000, 0b00000000, 0b00000000, 0b00000000, PackBits_Repeat(76), 0b00000000, /*
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
@ -182,6 +177,8 @@ const char RDiskIcon[RDISK_ICON_SIZE] = {
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, */
PackBits_Repeat(32), 0b11111111, /*
0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111,
0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111,
0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111,
@ -189,16 +186,21 @@ const char RDiskIcon[RDISK_ICON_SIZE] = {
0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111,
0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111,
0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111,
0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, 0b11111111, */
0b01111111, 0b11111111, 0b11111111, 0b11111111, PackBits_Literal(1), 0b01111111,
0b01111111, 0b11111111, 0b11111111, 0b11111111, PackBits_Repeat(3), 0b11111111, /*
0b01111111, 0b11111111, 0b11111111, 0b11111111, */
PackBits_Literal(1), 0b01111111,
PackBits_Repeat(3), 0b11111111, /*
0b01111111, 0b11111111, 0b11111111, 0b11111111, */
PackBits_Repeat(12), 0b00000000, /*
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000,
0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, 0b00000000, */
27, 'G', 'a', 'r', 'r', 'e', 't', 't', '\'', 's', ' ', PackBits_Literal(29),
26, 'G', 'a', 'r', 'r', 'e', 't', 't', '\'', 's', ' ',
'W', 'o', 'r', 'k', 's', 'h', 'o', 'p', ' ', 'W', 'o', 'r', 'k', 's', 'h', 'o', 'p', ' ',
'R', 'O', 'M', ' ', 'D', 'i', 's', 'k', 0 'S', 'D', ' ', 'D', 'i', 's', 'k', 0
}; };
#endif
#endif #endif