6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2024-06-08 15:29:37 +00:00
Code Issues Projects Releases Wiki Activity

Minor style adjustment.

Browse Source
This commit is contained in:
Oliver Schmidt 2017-08-20 14:53:40 +02:00
parent a817da7c6b
commit 20c85c8a1c
1 changed files with 4 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
libsrc/c64/joy/c64-ptvjoy.s
View File

@ -122,8 +122,8 @@ joy3:
sta CIA2_PRB ; (output one at PB7)
lda CIA2_PRB ; cia 2 port B read/write
and #$1f ; get bit 4-0 (PB4-PB0)
eor #$1f
and #$1F ; get bit 4-0 (PB4-PB0)
eor #$1F
rts
; Read joystick 4
@ -132,14 +132,14 @@ 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
and #$0f ; get bit 3-0 (PB3-PB0)
and #$0F ; get bit 3-0 (PB3-PB0)
sta tmp1 ; joy 4 directions
lda CIA2_PRB ; cia 2 port B read/write
and #%00100000 ; get bit 5 (PB5)
lsr
ora tmp1
eor #$1f
eor #$1F
ldx #0
rts