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collapseos/blk/055
Virgil Dupras faf088b397 Move AVR assembler from B650 to B50
And move its doc to doc/asm.txt
2020-09-21 19:52:53 -04:00

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476 B
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( 0000 KKKK dddd KKKK )
: OPRdK CREATE C, DOES> C@ ( rd K op )
OVER _r256c 0xf0 AND 4 RSHIFT OR ( rd K op' )
ROT _r16+c 4 LSHIFT ROT 0x0f AND OR ( op' rdK ) A, A, ;
0x70 OPRdK ANDI, 0x30 OPRdK CPI, 0xe0 OPRdK LDI,
0x60 OPRdK ORI, 0x40 OPRdK SBCI, 0x60 OPRdK SBR,
0x50 OPRdK SUBI,
( 0000 0000 AAAA Abbb )
: OPAb CREATE C, DOES> C@ ( A b op )
ROT _r32c 3 LSHIFT ROT _r8c OR A, A, ;
0x98 OPAb CBI, 0x9a OPAb SBI, 0x99 OPAb SBIC,
0x9b OPAb SBIS,