diff options
Diffstat (limited to 'asm/bootstrap.atk16')
| -rw-r--r-- | asm/bootstrap.atk16 | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/asm/bootstrap.atk16 b/asm/bootstrap.atk16 index 9d69872..a65fc99 100644 --- a/asm/bootstrap.atk16 +++ b/asm/bootstrap.atk16 @@ -43,17 +43,17 @@ ldi 0x55 RE hlt -@label keyboard_isr - stack_stash RA RB - ldi vt_kb_pp_addr RA ; RA := Keyboard peripheral address pointer - ldr RA RA ; RA := Keyboard peripheral address deref - ldr RA RA ; RA := <16-bit keyboard character code> from MMIO register - ldi vt_term_pp_addr RB ; RB := Terminal peripheral address pointer - ldr RB RB ; RB := Terminal peripheral address deref - str RA RB ; terminal <- character code (ASCII?) - mov RA RE ; RE := character code (for debugging) - stack_restore RA RB - rti +; @label keyboard_isr +; stack_stash RA RB +; ldi vt_kb_pp_addr RA ; RA := Keyboard peripheral address pointer +; ldr RA RA ; RA := Keyboard peripheral address deref +; ldr RA RA ; RA := <16-bit keyboard character code> from MMIO register +; ldi vt_term_pp_addr RB ; RB := Terminal peripheral address pointer +; ldr RB RB ; RB := Terminal peripheral address deref +; str RA RB ; terminal <- character code (ASCII?) +; mov RA RE ; RE := character code (for debugging) +; stack_restore RA RB +; rti @label program_segment ; define short prelude that sets up vital instructions |