resolve one issue involving comparison with MIN-INT

2019-12-29 12:58:37 -08:00 · 2019-12-29 12:58:37 -08:00 · 84c53d35c6
parent b38171eb29
commit 84c53d35c6
1 changed files with 6 additions and 7 deletions
--- a/asm/mathlib.s
+++ b/asm/mathlib.s
@ -8,14 +8,13 @@
          lda   STACKBASE+6,x
          eor   STACKBASE+2,x
          bpl   samesign
-          lda   STACKBASE+4,x
-          cmp   STACKBASE+0,x
-          lda   STACKBASE+6,x
-          sbc   STACKBASE+2,x
-          bvs   :+
+          lda   STACKBASE+0,x
+          cmp   STACKBASE+4,x
+          lda   STACKBASE+2,x
+          sbc   STACKBASE+6,x
+          bvc   :+
          eor   #$8000
-:         sec
-          rol
+:         rol
          rts
 samesign: lda   STACKBASE+6,x
          cmp   STACKBASE+2,x