smol optimization by moving out a portion of a proc to a separate subroutine

2026-05-20 22:34:21 +02:00 · 2023-06-03 23:27:06 -04:00
parent b97efd2f45
commit 790bfd51b5
6 changed files with 48 additions and 37 deletions
@@ -340,6 +340,28 @@ DisplayAngle
    rts
 .endp
 ;-------------------------------------------------
+.proc _calc_inverse_display
+; optymalization station. not a real function
+; or is it?
+@weapon_index = TextNumberOff
+@inverse_counter = temp+1
+    
+    mwa #0 @inverse_counter
+    tay  ; ldy #0
+@   
+    inw LineAddress4x4
+    lda (LineAddress4x4),y
+    spl:inc @inverse_counter
+    lda @weapon_index
+    beq zeroth_talk  ; special treatment of talk #0
+    cmp @inverse_counter
+    bne @-
+    
+    inw LineAddress4x4  ; we were pointing at the char with inverse, must go 1 further
+zeroth_talk
+    rts
+.endp
+;-------------------------------------------------


 .endif