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// signetics.h
// The Apple I came with its own terminal on-board, with a Signetics 2513 character ROM.
byte CharacterROM[0x40] = {
'@', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O',
'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z', '[', '\\', ']', '^', '_',
' ', '!', '"', '#', '$', '%', '&', '\'', '(', ')', '*', '+', ',', '-', '.', '/',
'0', '1', '2', '3', '4', '5', '6', '7', '8', '9', ':', ';', '<', '=', '>', '?'
};
byte* TerminalShiftRegister;
int TerminalShiftRegisterOffset = 0;
void InitVideo(){
TerminalShiftRegister = malloc(1024); //maybe 960
}
byte ToAppleASCII(char x){
if (x < 32 || x > 95)
return -1;
if (x >= 64)
x -= 64;
return x;
}
byte ToRegularASCII(char x){
if (x < 32)
x += 64;
return x;
}
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