CSC103 Basic Instructions
Annotated Simulator
Basic Instructions for the Pocessor Simulator
Note "-C" means Constant
ADD Add to Acc ADD-C Add C to Acc
SUB Sub from Acc SUB-C Sub C from Acc
AND And with Acc AND-C And C with Acc
OR Or with Acc OR-C Or C with Acc
NOT invert Acc LOD-C Load C in Acc
SHL Shift left Acc ADD-I Add-indirect
SHR Shift right Acc SUB-I Sub-indirect
INC Increment Acc AND-I And-indirect
DEC Decrement Acc OR-I Or-indirect
LOD Load Acc from mem LOD-I Load indirect
HLT Stop! STO-I Store indirect
JMP Jmp to address JMP-I Jmp indirect
JMZ Jmp if Acc=0 JMZ-I Jmp zero indirect
JMN Jmp if negative JMN-I Jmp negative indirect
JMF Jmp on flag JMF-I Jmp flag indirect
STO Store Acc in mem