70 lines
1.4 KiB
C
70 lines
1.4 KiB
C
#include <stdio.h>
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static int gr_offsets[]={
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0x400,0x480,0x500,0x580,0x600,0x680,0x700,0x780,
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0x428,0x4a8,0x528,0x5a8,0x628,0x6a8,0x728,0x7a8,
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0x450,0x4d0,0x550,0x5d0,0x650,0x6d0,0x750,0x7d0,
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};
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#define X_OFFSET 13
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int main(int argc, char **argv) {
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int i,j,lookup,address;
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for(i=0;i<96;i++) {
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lookup=i/4;
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printf("; %d\n",i*2);
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printf("\tbit\tPAGE0\t; 4\n");
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printf("smc%03d:\tlda\t#$00\t; 2\n",i*2);
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for(j=0;j<14;j++) {
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address=gr_offsets[lookup]+0x400+j+X_OFFSET;
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if (i<15) address=0xc00;
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if (i>77) address=0xc00;
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printf("\tsta\t$%3x\t; 4\n",address);
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}
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printf("\tlda\tTEMP\t; 3\n");
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printf("\n");
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lookup=i/4;
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if (i%4==3) lookup=(i+4)/4;
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if (i==95) lookup=0;
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printf("; %d\n",(i*2)+1);
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printf("\tbit\tPAGE1\t; 4\n");
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printf("smc%03d:\tlda\t#$00\t; 2\n",(i*2)+1);
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for(j=0;j<14;j++) {
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address=gr_offsets[lookup]+j+X_OFFSET;
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if (i<15) address=0xc00;
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if (i>77) address=0xc00;
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printf("\tsta\t$%3x\t; 4\n",address);
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}
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printf("\tlda\tTEMP\t; 3\n");
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printf("\n");
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}
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#if 0
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printf("y_lookup_h:\n");
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for(i=32;i<32+128;i++) {
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if (i%8==0) printf(".byte\t");
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printf(">(smc%03d+1)",i);
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if (i%8!=7) printf(",");
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else printf("\n");
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}
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printf("y_lookup_l:\n");
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for(i=32;i<32+128;i++) {
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if (i%8==0) printf(".byte\t");
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printf("<(smc%03d+1)",i);
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if (i%8!=7) printf(",");
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else printf("\n");
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}
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#endif
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return 0;
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}
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