Small8InstructionsAddendum

Small8InstructionsAddendum - + 1 RET Index addressing: Load...

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Addendum to the instruction set INSTRUCTION OP CODE C V Z S DESCRIPTION SYNTAX Subroutines: Load SP (Imm) 89 X X X X SP Å mem[PC+1],mem[PC] LDSI <data> Call C8 X X X X SP Å (SP) - 1; mem[SP] Å (PC L ); SP Å (SP) - 1; mem[SP] Å (PC H ) CALL <address> Return C0 X X X X PC H Å mem[SP]; SP Å (SP) + 1; PC L Å mem[SP]; SP Å (SP)
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Unformatted text preview: + 1 RET Index addressing: Load X (Imm) 8A X X X X X mem[PC+1],mem[PC] LDXI &lt;data&gt; Load Acc (Indx) BC X X X X A mem[(X) + b] LDAA b,X Store Acc (Indx) EC X X X X mem[(X) + b] (A) STAA b,X Increment X FC X X X X X (X) + 1 INCX Decrement X FD X X X X X (X) 1 DECX...
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This document was uploaded on 03/05/2012.

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