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// debug.h
// Various functions useful for use during development.
// Converts a single character to hexadecimal
int dCharToNum(char c){
// 0x0 - 0x9
if (c != 0x20 && (c >= 0x30 && c <= 0x39)){
return (c - 0x30);
}
// 0xA - 0xF
else if (c != 0x20 && (c >= 0x41 && c <= 0x46)){
return (c - 0x37);
// 0xa - 0xf
}else if (c != 0x20 && (c >= 0x61 && c <= 0x66)){
return (c - 0x57);
// Invalid
}else{
return -1;
}
}
// Dump page m from memory to stdout.
void dPageDump(short m){
m <<= 8;
for(int i = 0; i < 256; i+=16){
printf("\t");
for(int j = 0; j < 16; j+=1){
printf("%02x ", Memory[(m+(i+j))]);
}
printf("\n");
}
}
// Dump CPU values
void dStatusDump(void){
printf("\
\t..acc:\t%x\tcycles:\t%d\n\
\t....X:\t%x\tlength:\t%d\n\
\t....Y:\t%x\t...add:\t%x\n\
\tstack:\t%x\t.value:\t%x\n\
\tflags:\t%x\t....PC:\t%x\n\
\n\
", acc, idata.cycles, X, idata.length, Y, idata.add, S, idata.value, P, PC);
}
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