mirror of
https://github.com/cc65/cc65.git
synced 2024-07-05 06:28:57 +00:00
36 lines
759 B
ArmAsm
36 lines
759 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 2002-11-29
|
|
;
|
|
; unsigned char __fastcall__ joy_unload (void);
|
|
; /* Unload the currently loaded driver. */
|
|
|
|
|
|
.include "joy-kernel.inc"
|
|
.include "joy-error.inc"
|
|
.include "modload.inc"
|
|
|
|
_joy_unload:
|
|
lda _joy_drv
|
|
ora _joy_drv+1
|
|
beq no_driver ; No driver
|
|
|
|
jsr _joy_deinstall ; Deinstall the driver
|
|
|
|
lda _joy_drv
|
|
ldx _joy_drv+1
|
|
jsr _mod_free ; Free the driver
|
|
|
|
lda #0
|
|
sta _joy_drv
|
|
sta _joy_drv+1 ; Clear the driver pointer
|
|
|
|
tax
|
|
rts ; Return zero
|
|
|
|
no_driver:
|
|
tax ; X = 0
|
|
lda #JOY_ERR_NO_DRIVER
|
|
rts
|
|
|
|
|