mirror of
https://github.com/cc65/cc65.git
synced 2024-11-03 10:07:02 +00:00
8ecdf9d6b7
Rename tgi_setup to tgi_install. Make tgi_install and tgi_deinstall user callable. More cosmetic changes. git-svn-id: svn://svn.cc65.org/cc65/trunk@1966 b7a2c559-68d2-44c3-8de9-860c34a00d81
26 lines
799 B
ArmAsm
26 lines
799 B
ArmAsm
;
|
|
; Ullrich von Bassewitz, 21.06.2002
|
|
;
|
|
; unsigned char __fastcall__ tgi_geterror (void);
|
|
; /* Return the error code for the last operation. This will also clear the
|
|
; * error.
|
|
; */
|
|
|
|
.include "tgi-kernel.inc"
|
|
|
|
.proc _tgi_geterror
|
|
|
|
lda _tgi_drv ; Check if we have a driver
|
|
ora _tgi_drv+1
|
|
beq @L1
|
|
jsr tgi_geterror ; First call driver
|
|
@L1: ldx #$00 ; Clear high byte
|
|
ldy _tgi_error ; Test high level error code
|
|
beq @L2 ; Branch if no high level error code
|
|
tya ; Use high level code if we have one
|
|
stx _tgi_error ; Clear high level error code
|
|
@L2: rts
|
|
|
|
.endproc
|
|
|