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Update isfast.s

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Stefan 2019-11-19 19:22:53 +01:00 • committed by Oliver Schmidt
parent df752ff7a5
commit 2c34723a97
1 changed files with 1 additions and 22 deletions
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23
libsrc/c16/isfast.s
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@ -1,22 +1 @@
; .include "../plus4/isfast.s"
; Marco van den Heuvel, 2018-03-20
;
; unsigned char isfast (void);
; /* Returns 1 if the CPU is in double clock mode. */
;
.export _isfast
.include "plus4.inc"
.proc _isfast
lda TED_CLK
lsr
and #$01
ldx #$00
rts
.endproc