Apple-1-Tools/A1Emu
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Making backspace work on linux

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This commit is contained in:
Benjamin Jones 2019-12-17 15:39:42 -07:00
parent 6ea0d13a9e
commit d52dbf0ccc
2 changed files with 24 additions and 14 deletions
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2
Makefile
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@ -3,7 +3,7 @@ CC = gcc
CFLAGS = -O3
default: cpu.o cpu.h emulate.c
$(CC) $(CFLAGS) cpu.o emulate.c -o A1Emu
$(CC) $(CFLAGS) cpu.o emulate.c -lncurses -o A1Emu
cpu.o: cpu.c cpu.h
$(CC) $(CFLAGS) -c cpu.c

36
emulate.c
View File

@ -51,11 +51,13 @@ void load_tape(char *file_name){
FILE *fp;
fp = fopen(file_name, "rb");
printw("Reading from tape file named \"%s\"\n", file_name);
if(fp){
fread(tape, 4, 0x100000, fp);
if(fp && fread(tape, 4, 0x100000, fp) == 0x100000){
fclose(fp);
} else {
printw("file error\n");
if(fp){
fclose(fp);
}
}
return;
@ -65,11 +67,13 @@ void store_tape(char *file_name){
FILE *fp;
printw("Storing tape to file named \"%s\"\n", file_name);
fp = fopen(file_name, "wb");
if(fp){
fwrite(tape, 4, 0x100000, fp);
if(fp && fwrite(tape, 4, 0x100000, fp) == 0x100000){
fclose(fp);
} else {
printw("file error\n");
if(fp){
fclose(fp);
}
}
}
@ -154,10 +158,12 @@ int main(){
//Load Integer Basic
fp = fopen("BASIC", "rb");
if(fp){
fread(memory + 0xE000, 1, 0x1000, fp);
if(fp && fread(memory + 0xE000, 1, 0x1000, fp) == 0x1000){
fclose(fp);
} else {
if(fp){
fclose(fp);
}
printw("Warning: could not load file named \"BASIC\".\nStarting without apple 1 BASIC loaded.\nApple 1 basic can still be loaded from a cassette file into address 0xE000.\n---\n");
printw("Press any key to continue...\n");
getch();
@ -166,11 +172,13 @@ int main(){
//Load Woz's ACI
fp = fopen("WOZACI", "rb");
if(fp){
fread(memory + 0xC000, 1, 0x100, fp);
if(fp && fread(memory + 0xC000, 1, 0x100, fp) == 0x100){
fclose(fp);
} else {
fprintf(stderr, "file error\n");
if(fp){
fclose(fp);
}
fprintf(stderr, "Could not load WOZACI due to file error\n");
exit(1);
}
@ -178,11 +186,13 @@ int main(){
//Load Woz's monitor
fp = fopen("WOZMON", "rb");
if(fp){
fread(memory + 0xFF00, 1, 0x100, fp);
if(fp && fread(memory + 0xFF00, 1, 0x100, fp) == 0x100){
fclose(fp);
} else {
fprintf(stderr, "file error\n");
if(fp){
fclose(fp);
}
fprintf(stderr, "Could not load WOZMON due to file error\n");
exit(1);
}
reset_6502(&cpu, read_mem);//Reset the cpu
@ -281,7 +291,7 @@ int main(){
//Handle keyboard I/O
if(!(count%200) && (key_hit = getch()) != ERR){
if(key_hit == 0x08){//Emulate the backspace character
if(key_hit == 0x08 || key_hit == 0x7F){//Emulate the backspace character
memory[0xD010] = 0xDF;
memory[0xD011] |= 0x80;
} else if(key_hit == '~'){//Emulate the control character