6502/cc65
1
0
Fork 0
mirror of https://github.com/cc65/cc65.git synced 2024-07-04 13:29:35 +00:00
Code Issues Projects Releases Wiki Activity

Removed display swapping code

Browse Source 
git-svn-id: svn://svn.cc65.org/cc65/trunk@3836 b7a2c559-68d2-44c3-8de9-860c34a00d81
This commit is contained in:
cuz 2008-04-14 18:56:32 +00:00
parent 3293330f31
commit 4b27f80c91
1 changed files with 2 additions and 30 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

32
libsrc/lynx/lynx-stdjoy.s
View File

@ -65,38 +65,10 @@ JOY_COUNT = 1 ; Number of joysticks we support
; memory available.
; Must return an JOY_ERR_xx code in a/x.
;
; Here we also flip the joypad in case the display is flipped.
; This install routine should be called after you send the flip code
; to the display hardware.
INSTALL:
lda __viddma ; Process flipped displays
and #2
beq @L2
; Set joypad for flipped display
lda #$10
ldx #$00
@L1: sta joy_mask,x
inx
asl a
bcc @L1
bra @L4
; Set joypad for normal display
@L2: lda #$10
ldx #$03
@L3: sta joy_mask,x
dex
asl a
bcc @L3
; Done
@L4: lda #<JOY_ERR_OK
ldx #>JOY_ERR_OK
lda #<JOY_ERR_OK
ldx #>JOY_ERR_OK
; rts ; Run into UNINSTALL instead
; ------------------------------------------------------------------------