Apply faster popptr1 to functions and/or use register instead of stack to save accu.

2018-05-21 18:18:01 +02:00
parent 81b3c16c7e
commit d7da827be8
6 changed files with 30 additions and 30 deletions
--- a/libsrc/runtime/mulax7.s
+++ b/libsrc/runtime/mulax7.s
@@ -20,12 +20,12 @@
        rol     ptr1+1                  ; * 8
        sec
        sbc     ptr1
-        pha
+        tay
        txa
        eor     #$ff
        adc     ptr1+1                  ; * (8 - 1)
        tax
-        pla
+        tya
        rts

 .endproc