1
0
mirror of https://github.com/cc65/cc65.git synced 2024-07-05 06:28:57 +00:00
cc65/libsrc/tgi/tgi_done.s
cuz f82ac8a91c TGI Implementation
git-svn-id: svn://svn.cc65.org/cc65/trunk@1312 b7a2c559-68d2-44c3-8de9-860c34a00d81
2002-06-21 13:28:51 +00:00

23 lines
695 B
ArmAsm

;
; Ullrich von Bassewitz, 21.06.2002
;
; void __fastcall__ tgi_done (void);
; /* End graphics mode, switch back to text mode. Will NOT unload the driver! */
.include "tgi-kernel.inc"
.export _tgi_done
_tgi_done:
lda _tgi_mode ; Is a graphics mode active?
beq @L1 ; Jump if not
jsr tgi_done ; Call the driver routine
jsr tgi_fetch_error ; Get the error code
lda _tgi_error ; Did we have an error?
bne @L1 ; Jump if yes
sta _tgi_mode ; Reset the current mode
@L1: rts