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-rw-r--r--debug.h24
1 files changed, 22 insertions, 2 deletions
diff --git a/debug.h b/debug.h
index c46f220..887fcbc 100644
--- a/debug.h
+++ b/debug.h
@@ -1,11 +1,31 @@
// debug.h
// Various functions useful for use during development.
-void dPageDump(){
+// Converts a single character to hexadecimal
+int dChar2Num (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 *= 0x0100;
for(int i = 0; i < 256; i+=16){
printf("\t");
for(int j = 0; j < 16; j+=1){
- printf("%2x ", Memory[(i+j)]);
+ printf("%2x ", Memory[(m+(i+j))]);
}
printf("\n");
}