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22 lines
299 B
ArmAsm
22 lines
299 B
ArmAsm
;
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; Marco van den Heuvel, 2018-03-19
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;
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; unsigned char isfast (void);
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; /* Returns 1 if the CPU is in 2MHz mode. */
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;
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.export _isfast
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.include "c128.inc"
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.proc _isfast
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lda VIC_CLK_128
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and #$01
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ldx #$00
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rts
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.endproc
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