Optimized ROL 6/7. Thanks to Travis Fisher!

2025-02-13 13:33:32 +00:00 · 2019-10-11 20:44:33 +02:00 · 2019-10-11 20:44:33 +02:00 · b00bb06783
commit b00bb06783
parent 8cc3691884
3 changed files with 9 additions and 13 deletions
--- a/src/main/fragment/mos6502-common/vbuaa=vbuaa_ror_6.asm
+++ b/src/main/fragment/mos6502-common/vbuaa=vbuaa_ror_6.asm
@ -1,6 +1,4 @@
-lsr
-lsr
-lsr
-lsr
-lsr
-lsr
+rol
+rol
+rol
+and #$02
--- a/src/main/fragment/mos6502-common/vbuaa=vbuaa_ror_7.asm
+++ b/src/main/fragment/mos6502-common/vbuaa=vbuaa_ror_7.asm
@ -1,7 +1,3 @@
-lsr
-lsr
-lsr
-lsr
-lsr
-lsr
-lsr
+rol
+rol
+and #$01
--- a/src/main/fragment/mos6502-undoc/vbuaa=vbuaa_ror_7.asm
+++ b/src/main/fragment/mos6502-undoc/vbuaa=vbuaa_ror_7.asm
@ -0,0 +1,2 @@
+anc #$80
+rol