78 lines
2 KiB
C
78 lines
2 KiB
C
/* $Header$ */
|
|
/*
|
|
* (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
|
|
* See the copyright notice in the ACK home directory, in the file "Copyright".
|
|
*/
|
|
/* @(#)mach1.c 1.8 */
|
|
/*
|
|
* Motorola 68000/68010 dependent C declarations
|
|
*/
|
|
|
|
#define low3(z) ((short)(z) & 07)
|
|
#define low4(z) ((short)(z) & 017)
|
|
#define low7(z) ((short)(z) & 0177)
|
|
|
|
#define fit3(z) ((((z)-1) & ~((int)07)) == 0)
|
|
#define fit4(z) (((z) & ~((int)017)) == 0)
|
|
#define fit7(z) (((z) & ~((int)0177)) == 0)
|
|
#define sfit7(z) (fit7((z)+64))
|
|
#define fit8(z) (((z) & ~((int)0xFF)) == 0)
|
|
#define fit16(z) (((z) & ~(0xFFFFL)) == 0)
|
|
|
|
#define SIZE_B 0000
|
|
#define SIZE_W 0100
|
|
#define SIZE_L 0200
|
|
#define SIZE_NON 0300
|
|
#define SIZE_DEF SIZE_W
|
|
|
|
#define FSIZE_L 00
|
|
#define FSIZE_S 01
|
|
#define FSIZE_X 02
|
|
#define FSIZE_P 03
|
|
#define FSIZE_W 04
|
|
#define FSIZE_D 05
|
|
#define FSIZE_B 06
|
|
|
|
#define DEF_FP 01000 /* default floating point processor */
|
|
extern int co_id;
|
|
|
|
extern int mrg_1,mrg_2;
|
|
extern expr_t exp_1,exp_2;
|
|
#ifndef ASLD
|
|
extern valu_t rel_1,rel_2;
|
|
#endif
|
|
extern int model; /* 68000/68010 */
|
|
|
|
/* addressing mode bits */
|
|
#define DTA 0x01
|
|
#define MEM 0x02
|
|
#define CTR 0x04
|
|
#define ALT 0x08
|
|
#define FITB 0x10
|
|
#define FITW 0x20
|
|
#define PUTW 0x40
|
|
#define PUTL 0x80
|
|
|
|
#ifndef extern
|
|
extern short eamode[];
|
|
#else
|
|
short eamode[] = {
|
|
/* 00A */ DTA |ALT,
|
|
/* 01A */ ALT,
|
|
/* 02A */ DTA|MEM|CTR|ALT,
|
|
/* 03A */ DTA|MEM |ALT,
|
|
/* 04A */ DTA|MEM |ALT,
|
|
/* 05A */ DTA|MEM|CTR|ALT|FITW|PUTW | (RELO2 )<<8,
|
|
/* 06A */ DTA|MEM|CTR|ALT |PUTW | (RELO1 )<<8,
|
|
/* 07x */ 0,
|
|
/* 070 */ DTA|MEM|CTR|ALT|FITW|PUTW | (RELO2 )<<8,
|
|
/* 071 */ DTA|MEM|CTR|ALT |PUTL | (RELO4 )<<8,
|
|
/* 072 */ DTA|MEM|CTR |FITW|PUTW | (RELO2|RELPC)<<8,
|
|
/* 073 */ DTA|MEM|CTR |PUTW | (RELO1|RELPC)<<8,
|
|
/* 074x */ 0,
|
|
/* 074B */ DTA|MEM |FITB|PUTW | (RELO1 )<<8,
|
|
/* 074W */ DTA|MEM |FITW|PUTW | (RELO2 )<<8,
|
|
/* 074L */ DTA|MEM |PUTL | (RELO4 )<<8,
|
|
};
|
|
#endif
|