Macintosh-HW/MacIIROMDiskDriver
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Add volatile to pointer dereference in RDiskIsAPressed and RDiskIsRPressed

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This commit is contained in:
Zane Kaminski 2021-06-07 19:50:06 -04:00
parent 67c594b82b
commit 3cc7abb7f4
1 changed files with 2 additions and 2 deletions
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4
rdisk.h
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@ -14,8 +14,8 @@ OSErr RDiskReadXPRAM(short numBytes, short whichByte, Ptr dest) = {0x4840, 0x300
#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; }
static inline char RDiskIsRPressed() { return *((volatile char*)0x175) & 0x80; }
static inline char RDiskIsAPressed() { return *((volatile char*)0x174) & 0x01; }
//#define RDISK_COMPRESS_ICON_ENABLE
#define RDISK_ICON_SIZE (285)