timer working in presence of null keyboard handler

akkartik · Jun 30, 2021 · cd411f0 · cd411f0
1 parent 069a8df
commit cd411f0
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/timer.subx b/timer.subx
@@ -253,8 +253,8 @@ initialize_32bit_mode:
   # pin idt_descriptor below.
   0f 01 3/subop/lidt 0/mod/indirect 5/rm32/use-disp32 0x7f00/disp32/idt_descriptor
 
-  # enable timer IRQ0
-  b0/copy-to-al 0xfe/imm8  # disable mask for IRQ0
+  # enable timer IRQ0 and keyboard IRQ1
+  b0/copy-to-al 0xfc/imm8  # disable mask for IRQ0 and IRQ1
   e6/write-al-into-port 0x21/imm8
 
   fb/enable-interrupts