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cc65/libsrc/em/em_unload.s
uz 285aaf8933 Patch by Stefan Haubenthal: Remove __fastcall__ in comments and/or the
function description for functions that don't take any parameters.


git-svn-id: svn://svn.cc65.org/cc65/trunk@5573 b7a2c559-68d2-44c3-8de9-860c34a00d81
2012-03-04 13:08:54 +00:00

31 lines
645 B
ArmAsm

;
; Ullrich von Bassewitz, 2002-11-29
;
; unsigned char em_unload (void);
; /* Unload the currently loaded driver. */
.import em_clear_ptr
.include "em-kernel.inc"
.include "em-error.inc"
.include "modload.inc"
_em_unload:
lda _em_drv
ora _em_drv+1
beq no_driver ; No driver
jsr emd_uninstall ; Deinstall the driver
lda _em_drv
ldx _em_drv+1
jsr _mod_free ; Free the driver
jmp em_clear_ptr ; Clear the driver pointer, return zero
no_driver:
tax ; X = 0
lda #EM_ERR_NO_DRIVER
rts