supermario/base/SuperMarioProj.1994-02-09/OS/SCSIMgr4pt3/CUtils.h

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2019-06-29 15:17:50 +00:00
/*
File: CUtils.h
Contains: header stuff for various C utility stuff
Notes: In-line assembly for atomic bit operations
Written by: Paul Wolf
Copyright: © 1992-1993 by Apple Computer, Inc., all rights reserved.
Change History (most recent first):
<SM7> 11/22/93 pdw Added disassembly comment.
<SMG2> 9/29/93 chp Fix up header and standardize conditional inclusion.
<SM5> 10/14/93 pdw <MC> roll-in.
<MC2> 10/12/93 pdw Added support for Synchronous data transfers, rewrote State
Machine, message handling etc.
<SM4> 5/5/93 PW Converted names to meanies-friendly names. Updated with latest
from Ludwig stuff.
<SM3> 1/31/93 PW Update from the latest of Ludwig. Also changes required for PDM
(will update Ludwig with these as needed myself).
<SM2> 11/20/92 DCB Removed include of types.h
*/
#ifndef __CUTILS__
#define __CUTILS__
#ifndef __TYPES__
#include <Types.h>
#endif
#pragma parameter __D0 bset(__D0,__A0)
Boolean bset(unsigned short bitNum, unsigned char * byte) = {0x01d0,0x56c0};
// bset sne D0
#pragma parameter __D0 bclr(__D0,__A0)
Boolean bclr(unsigned short bitNum, unsigned char * byte) = {0x0190,0x56c0};
#pragma parameter __D0 btst(__D0,__A0)
Boolean btst(unsigned short bitNum, unsigned char * byte) = {0x0110,0x56c0};
#define btst32(bit,addr) ( btst( (bit)%8, ((char *)(addr))+32-((bit)/4)) )
#define MAX(a,b) ((a)>(b)?(a):(b))
#define MIN(a,b) ((a)<(b)?(a):(b))
#endif __CUTILS__