From: cuz <cuz@b7a2c559-68d2-44c3-8de9-860c34a00d81>
Date: Sun, 28 Aug 2005 20:57:16 +0000 (+0000)
Subject: Small optimzation by Stefan Haubenthal
X-Git-Tag: V2.12.0~250
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=f3c6fbc72ae38216ef135f3a75001da56410d9d6;p=cc65

Small optimzation by Stefan Haubenthal


git-svn-id: svn://svn.cc65.org/cc65/trunk@3594 b7a2c559-68d2-44c3-8de9-860c34a00d81
---

diff --git a/libsrc/c64/c64-ptvjoy.s b/libsrc/c64/c64-ptvjoy.s
index e7db810f1..e365ee6a9 100755
--- a/libsrc/c64/c64-ptvjoy.s
+++ b/libsrc/c64/c64-ptvjoy.s
@@ -116,12 +116,12 @@ joy2:   dex
 
 ; Read joystick 3
 
-joy3:   dex
-        bne     joy4
-
         lda     #%10000000      ; cia 2 port B Data-Direction
         sta     CIA2_DDRB       ; bit 7: out    bit 6-0: in
 
+joy3:   dex
+        bne     joy4
+
         lda     #$80            ; cia 2 port B read/write
         sta     CIA2_PRB        ; (output one at PB7)
 
@@ -131,10 +131,7 @@ joy3:   dex
 
 ; Read joystick 4
 
-joy4:   lda     #%10000000      ; cia 2 port B Data-Direction
-        sta     CIA2_DDRB       ; bit 7: out    bit 6-0: in
-
-        lda     #$00            ; cia 2 port B read/write
+joy4:   lda     #$00            ; cia 2 port B read/write
         sta     CIA2_PRB        ; (output zero at PB7)
 
         lda     CIA2_PRB        ; cia 2 port B read/write