debug.h


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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 a particular page in memory.
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("%2x ", Memory[(m+(i+j))]);
		}
		printf("\n");
	}
}

//	Dump CPU values
void dStatusDump(void){
	printf("  acc:\t%x\n    X:\t%x\n    Y:\t%x\nstack:\t%x\nflags:\t%x\n", acc, X, Y, S, P);
}