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