107 lines
2.6 KiB
C
107 lines
2.6 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 1
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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:\tldx\t#$%02x\t; 2\n",i*2,X_OFFSET);
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for(j=0;j<7;j++) {
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address=gr_offsets[lookup]+0x400+j;
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if (i<15) address=0xc00;
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if (i>77) address=0xc00;
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printf("\tlda\t#$00\t; 2\n");
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printf("\tsta\t$%3x,X\t; 5\n",address);
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}
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printf("\tldx\t#$00\t; 2\n");
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printf("\tlda\tZERO\t; 3\n");
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address=gr_offsets[lookup]+0x400;
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if (i<15) address=0xc00;
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if (i>77) address=0xc00;
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printf("\tsta\t$%3x,X\t; 5\n",address);
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printf("\n");
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#if 0
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; 4
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lda #$00 ; 2 ldx #$5 ; 2 ; 6
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sta $500 ; 4 lda #0 ; 2 ; 10
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lda #$00 ; 2 sta $500,X ; 5 ; 13
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sta $501 ; 4 lda #1 ; 2 ; 15
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lda #$00 ; 2 sta $501,X ; 5 ; 20
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sta $502 ; 4 lda #2 ; 2 ; 22
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lda #$00 ; 2 sta $502,X ; 5 ; 27
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sta $503 ; 4 lda #3 ; 2 ; 29
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lda #$00 ; 2 sta $503,X ; 5 ; 34
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sta $504 ; 4 lda #4 ; 2 ; 36
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lda #$00 ; 2 sta $504,X ; 5 ; 41
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sta $505 ; 4 lda #5 ; 2 ; 43
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lda #$00 ; 2 sta $505,X ; 5 ; 48
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sta $506 ; 4 lda #6 ; 2 ; 50
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lda #$00 ; 2 sta $506,X ; 5 ; 55
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sta $507 ; 4
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lda #$00 ; 2
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sta $508 ; 4 ldx #$10 ; 2 ; 57
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bit krg ; 4 lda ZP ; 3 ; 60
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lda TEMP ; 3 sta $500,X ; 5 ; 65
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#endif
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lookup=i/4;
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if (i%4==3) lookup=(i+4)/4;
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if (i==95) lookup=0;
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printf("; %d\n",(i*2)+1);
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printf("\tbit\tPAGE1\t; 4\n");
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printf("smc%03d:\tldx\t#$%02x\t; 2\n",(i*2)+1,X_OFFSET);
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for(j=0;j<7;j++) {
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address=gr_offsets[lookup]+j;
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if (i<15) address=0xc00;
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if (i>77) address=0xc00;
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printf("\tlda\t#$00\t; 2\n");
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printf("\tsta\t$%3x,X\t; 5\n",address);
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}
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printf("\tldx\t#$00\t; 2\n");
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printf("\tlda\tZERO\t; 3\n");
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address=gr_offsets[lookup];
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if (i<15) address=0xc00;
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if (i>77) address=0xc00;
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printf("\tsta\t$%3x,X\t; 5\n",address);
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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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