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29 lines
651 B
Plaintext
29 lines
651 B
Plaintext
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// testing some more complicated defines
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#define max3420e_enable() \
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spi_enable(MAX3420E_EnMask)
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#define max3420e_disable() \
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spi_disable(MAX3420E_EnMask)
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#define wrac(reg) \
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pha :\
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max3420e_enable() :\
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lda #(reg) | 0x02 :\
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spi_wra() :\
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pla :\
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spi_wra() :\
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max3420e_disable()
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// just the definition of this macro hangs the xa indefinitely...
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#define CLRBIT(reg, val) \
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rreg(reg) :\
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and #255-val :\
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wrac(reg)
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