MacIIROMDiskDriver/rdisk.h

#ifndef RDISK_H
#define RDISK_H

#define RDiskBuf ((char*)0x40880000)
extern uint32_t *RDiskDBGDisPos;
extern char *RDiskDBGDisByte;
extern uint32_t *RDiskCDROMDisPos;
extern char *RDiskCDROMDisByte;
#define BufPtr ((Ptr*)0x10C)
#define MemTop ((Ptr*)0x108)
#define MMU32bit ((char*)0xCB2)

#pragma parameter __D0 RDiskReadXPRAM(__D0, __D1, __A0)
OSErr RDiskReadXPRAM(short numBytes, short whichByte, Ptr dest) = {0x4840, 0x3001, 0xA051};

#pragma parameter __D0 RDiskAddDrive(__D1, __D0, __A0)
OSErr RDiskAddDrive(short drvrRefNum, short drvNum, DrvQElPtr dq) = {0x4840, 0x3001, 0xA04E};

static inline char RDiskIsRPressed() { return *((char*)0x175) & 0x80; }
static inline char RDiskIsAPressed() { return *((char*)0x174) & 0x01; }

//#define RDISK_COMPRESS_ICON_ENABLE
#define RDISK_ICON_SIZE (285)
typedef struct RDiskStorage_s {
	DrvSts2 status;
	char initialized;
	Ptr ramdisk;
	char dbgEN;
	char cdromEN;
	#ifdef RDISK_COMPRESS_ICON_ENABLE
	char icon[RDISK_ICON_SIZE];
	#endif
} RDiskStorage_t;

typedef void (*RDiskCopy_t)(Ptr, Ptr, unsigned long);
#define copy24(s, d, b) { RDiskCopy_t copy24 = (RDiskCopy_t)C24; copy24(s, d, b); }

#define PackBits_Repeat(count) (-1 * (count - 1))
#define PackBits_Literal(count) (count - 1)

#define RDISK_COMPRESSED_ICON_SIZE (87)
#ifdef RDISK_COMPRESS_ICON_ENABLE
#include <Quickdraw.h>
const char const RDiskIconCompressed[RDISK_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,
	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,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000, */
	PackBits_Repeat(4), 0b11111111, /*
	0b11111111, 0b11111111, 0b11111111, 0b11111111, */
	PackBits_Literal(36),
	0b10000000, 0b00000000, 0b00000000, 0b00000001,
	0b10001111, 0b00011110, 0b00111100, 0b01111001,
	0b10001001, 0b00010010, 0b00100100, 0b01001001,
	0b10001001, 0b00010010, 0b00100100, 0b01001001,
	0b10001001, 0b00010010, 0b00100100, 0b01001001,
	0b10001111, 0b00011110, 0b00111100, 0b01111001,
	0b11000000, 0b00000000, 0b00000000, 0b00000001,
	0b01010101, 0b01010101, 0b11010101, 0b01010101,
	0b01111111, 0b11111111, 0b01111111, 0b11111111,
	PackBits_Repeat(12), 0b00000000, /*
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	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,
	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,
	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,
	0b11111111, 0b11111111, 0b11111111, 0b11111111,
	0b11111111, 0b11111111, 0b11111111, 0b11111111, */
	PackBits_Literal(1), 0b01111111, 
	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, */
	PackBits_Literal(29),
	27, 'G', 'a', 'r', 'r', 'e', 't', 't', '\'', 's', ' ', 
	'W', 'o', 'r', 'k', 's', 'h', 'o', 'p', ' ', 
	'R', 'O', 'M', ' ', 'D', 'i', 's', 'k', 0
};
#else
const char RDiskIcon[RDISK_ICON_SIZE] = {
	// Icon
	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,
	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,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b11111111, 0b11111111, 0b11111111, 0b11111111,
	0b10000000, 0b00000000, 0b00000000, 0b00000001,
	0b10001111, 0b00011110, 0b00111100, 0b01111001,
	0b10001001, 0b00010010, 0b00100100, 0b01001001,
	0b10001001, 0b00010010, 0b00100100, 0b01001001,
	0b10001001, 0b00010010, 0b00100100, 0b01001001,
	0b10001111, 0b00011110, 0b00111100, 0b01111001,
	0b11000000, 0b00000000, 0b00000000, 0b00000001,
	0b01010101, 0b01010101, 0b11010101, 0b01010101,
	0b01111111, 0b11111111, 0b01111111, 0b11111111,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	// Mask
	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,
	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,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	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,
	0b01111111, 0b11111111, 0b11111111, 0b11111111,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	0b00000000, 0b00000000, 0b00000000, 0b00000000,
	27, 'G', 'a', 'r', 'r', 'e', 't', 't', '\'', 's', ' ', 
	'W', 'o', 'r', 'k', 's', 'h', 'o', 'p', ' ', 
	'R', 'O', 'M', ' ', 'D', 'i', 's', 'k', 0
};
#endif

#endif