Opty - thanks @Irgendwer

2026-05-20 22:33:43 +02:00 · 2023-10-26 19:51:27 +02:00
parent fa43529e92
commit bd6418ce88
5 changed files with 14 additions and 10 deletions
@@ -463,20 +463,21 @@ Fast    ; Put char without coordinates check!

    ; and 8 bytes to the table
    ldy #7
+    ldx #$ff ; otimization - thanks @Irgendwer
 CopyChar
+    txa ; $ff
+    sta char2,y
    lda (fontind),y
    eor #$ff
    sta char1,y
-    lda #$ff
-    sta char2,y
    dey
    bpl CopyChar
    ; and 8 subsequent bytes as a mask
    adw fontind #8
    ldy #7
 CopyMask
-    lda (fontind),y
-    eor #$ff
+    txa ; $ff
+    eor (fontind),y
    sta mask1,y
    lda #$00
    sta mask2,y