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91f79d1131
The idea is to consider assemblers as "runtime" apps instead of placing them in the "bootstrap" section of the blocks. These apps will be used for much more than bootstrapping. Moved its documentation to doc/asm.txt and made its code blocks more compact.
14 lines
259 B
Plaintext
14 lines
259 B
Plaintext
( cell contains both bytes. MSB is spit as-is, LSB is ORed
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with r )
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( r -- )
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: OP2r
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CREATE ,
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DOES>
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@ SPLITB SWAP ( r lsb msb )
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A, ( r lsb )
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SWAP <<3 ( lsb r<<3 )
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OR A,
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;
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0xed41 OP2r OUT(C)r,
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0xed40 OP2r INr(C),
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