diff --git a/drivers/a2print.s b/drivers/a2print.s index 340ed16..2b7f206 100644 --- a/drivers/a2print.s +++ b/drivers/a2print.s @@ -6,12 +6,12 @@ .exportzp screen_current_row .exportzp screen_current_col - -.code - screen_current_col = $24 ; CH - Horizontal cursor-position (0-39) screen_current_row = $25 ; CV - Vertical cursor-position (0-23) + +.code + ; use Apple 2 monitor ROM function to display 1 char ; inputs: A should be set to ASCII char to display ; outputs: none @@ -36,13 +36,13 @@ print_a: print_cr: jmp $fd8e -; use Apple 2 monitor ROM function to move to clear the screen +; use Apple 2 monitor ROM function to clear the screen ; inputs: none ; outputs: none cls: jmp $fc58 -; use Apple 2 monitor ROM function to move to make a 'beep' noise +; use Apple 2 monitor ROM function to make a 'beep' noise ; inputs: none ; outputs: none beep: