1
0
mirror of https://github.com/cc65/cc65.git synced 2024-12-23 19:29:37 +00:00
cc65/libsrc/plus4/readjoy.s
uz 53dd513176 This commit was generated by cvs2svn to compensate for changes in r2,
which included commits to RCS files with non-trunk default branches.


git-svn-id: svn://svn.cc65.org/cc65/trunk@3 b7a2c559-68d2-44c3-8de9-860c34a00d81
2000-05-28 13:40:48 +00:00

30 lines
394 B
ArmAsm

;
; Ullrich von Bassewitz, 23.09.1998
;
; unsigned readjoy (unsigned char joy);
;
.export _readjoy
.include "plus4.inc"
.proc _readjoy
ldy #$FA ; Load index for joystick #1
tax ; Test joystick number
beq L1
ldy #$FB ; Load index for joystick #2
L1: sei
sty TED_KBD
lda TED_KBD
cli
ldx #$00 ; Clear high byte
and #$1F
eor #$1F
rts
.endproc