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forgot to add the new file atari/is_cmdline_dos.s in my last commit...

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This commit is contained in:
Christian Groessler 2016-05-25 01:06:53 +02:00
parent da65866e24
commit b3d7c09ba1
1 changed files with 20 additions and 0 deletions
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20
libsrc/atari/is_cmdline_dos.s Normal file
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;
; Christian Groessler, May-2016
;
; unsigned char _is_cmdline_dos(void);
;
; returns 0 for non-commandline DOS, 1 for commandline DOS
;
.export __is_cmdline_dos
.import __dos_type
.include "atari.inc"
__is_cmdline_dos:
ldx #0
lda __dos_type
cmp #MAX_DOS_WITH_CMDLINE + 1
txa
rol a
eor #$01
rts