mirror of
https://github.com/elliotnunn/sys7.1-doc-wip.git
synced 2024-12-13 11:29:15 +00:00
52 lines
1.5 KiB
C
52 lines
1.5 KiB
C
/*
|
|
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__
|