70 lines
1.1 KiB
C
70 lines
1.1 KiB
C
#define CODE_EXPANDER
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#include "mach.h"
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#include <back.h>
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#include <system.h>
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#ifdef DEBUG
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arg_error( s, arg)
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char *s;
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int arg;
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{
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fprint( STDERR, "arg_error %s %d\n", s, arg);
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}
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#endif
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/*
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do_open( filename)
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char *filename;
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{
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if ( filename == (char *)0 || !sys_open( filename, OP_WRITE, &codefile))
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return( 0);
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fprint( codefile, ".sect .text; .sect .rom; .sect .data; .sect .bss\n");
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return( 1);
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}
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*/
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#include <con_float>
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__instr_code(code, reg, off)
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{
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if (off <= 32767 & off >= -32768) {
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text2(code|0x28|reg);
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text2(off);
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return;
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}
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text2(code|0x30|reg);
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text2(0x0170);
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text4(off);
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}
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__move_X(code, reg, off)
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{
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if (off <= 32767 & off >= -32768) {
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text2(code|(reg<<9)|0x140);
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text2(off);
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return;
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}
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text2(code|(reg<<9)|0x180);
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text2(0x0170);
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text4(off);
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}
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__moveXX(code, srcreg, srcoff, dstreg, dstoff)
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{
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if (srcoff <= 32767 && srcoff >= -32768) {
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__move_X(code|0x28|srcreg, dstreg, dstoff);
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return;
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}
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if (dstoff <= 32767 && dstoff >= -32768) {
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__instr_code(code|0x140|(dstreg<<9), srcreg, srcoff);
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return;
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}
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text2(code|(dstreg<<9)|srcreg|0x180|0x30);
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text2(0x0170);
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text4(srcoff);
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text2(0x0170);
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text4(dstoff);
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}
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