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19 lines
403 B
C
19 lines
403 B
C
#define RAMSIZE 128*1024
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extern unsigned char ram[RAMSIZE];
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extern unsigned char a,y,x;
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extern unsigned short sp;
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extern unsigned int n,z,c,v;
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unsigned short y_indirect(unsigned char base, unsigned char y);
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int init_6502(void);
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void adc(int value);
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void sbc(int value);
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void cmp(int value);
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void pha(void);
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void pla(void);
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void lsr(void);
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unsigned char high(int value);
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unsigned char low(int value);
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