X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libsrc%2Fc64%2Fjoy%2Fc64-ptvjoy.s;h=bb1ba0982da3f30b9d06af375ea508d0d1d0dca7;hb=66ca781bb176cf316bb068d970fd7b3495d51e90;hp=b4314968e1ddfeaa31505e0d86e650d3c04636c7;hpb=983c6285e1578902e8294c870582f3bca7593dc8;p=cc65

diff --git a/libsrc/c64/joy/c64-ptvjoy.s b/libsrc/c64/joy/c64-ptvjoy.s
index b4314968e..bb1ba0982 100644
--- a/libsrc/c64/joy/c64-ptvjoy.s
+++ b/libsrc/c64/joy/c64-ptvjoy.s
@@ -21,7 +21,11 @@
 ; Driver signature
 
         .byte   $6A, $6F, $79   ; "joy"
-        .byte   JOY_API_VERSION	; Driver API version number
+        .byte   JOY_API_VERSION ; Driver API version number
+
+; Library reference
+
+        .addr   $0000
 
 ; Button state masks (8 values)
 
@@ -60,7 +64,7 @@ JOY_COUNT       = 4             ; Number of joysticks we support
 INSTALL:
         lda     #<JOY_ERR_OK
         ldx     #>JOY_ERR_OK
-;	rts                     ; Run into UNINSTALL instead
+;       rts                     ; Run into UNINSTALL instead
 
 ; ------------------------------------------------------------------------
 ; UNINSTALL routine. Is called before the driver is removed from memory.
@@ -84,18 +88,18 @@ COUNT:
 ; READ: Read a particular joystick passed in A.
 ;
 
-READ:   tax	                ; Joystick number into X
+READ:   tax                     ; Joystick number into X
         bne     joy2
 
 ; Read joystick 1
 
-joy1:   lda	#$7F
+joy1:   lda     #$7F
         sei
-        sta	CIA1_PRA
-        lda	CIA1_PRB
+        sta     CIA1_PRA
+        lda     CIA1_PRB
         cli
-        and	#$1F
-        eor	#$1F
+        and     #$1F
+        eor     #$1F
         rts
 
 ; Read joystick 2
@@ -103,15 +107,15 @@ joy1:   lda	#$7F
 joy2:   dex
         bne     joy3
 
-        lda 	#$E0
-        ldy 	#$FF
+        lda     #$E0
+        ldy     #$FF
         sei
-        sta 	CIA1_DDRA
-        lda 	CIA1_PRA
-        sty 	CIA1_DDRA
+        sta     CIA1_DDRA
+        lda     CIA1_PRA
+        sty     CIA1_DDRA
         cli
-        and 	#$1F
-        eor 	#$1F
+        and     #$1F
+        eor     #$1F
         rts
 
 ; Read joystick 3