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cc65/libsrc/atari/doesclrscr.s
2022-04-17 16:06:22 +02:00

21 lines
622 B
ArmAsm

;
; Christian Groessler, June-2016
;
; unsigned char doesclrscrafterexit (void);
;
; returns 0/1 if after program termination the screen isn't/is cleared
;
.export _doesclrscrafterexit
.import __is_cmdline_dos
.import return1
.ifdef __ATARIXL__
_doesclrscrafterexit = return1 ; the c65 runtime always clears the screen at program termination
.else
_doesclrscrafterexit:
jsr __is_cmdline_dos ; currently (unless a DOS behaving differently is popping up)
eor #$01 ; we can get by with the inverse of __is_cmdline_dos
rts
.endif