8Bit-LogisimEvo

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-Eigene Adaption von Ben Eaters 8-Bit-PC.

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Specs

• 512Byte Program Memory (256 Instruktionen), (256 Argumente)
• 256Byte Random Access Memory - RAM
• 10 Instruktionen
• 2 Register (A und B)

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Instruktionen

• nop, 0x0 (No Instruction)
• add, addr (Ram[addr] = A + B)
• sub, addr (Ram[addr] = A - B)
• lda, addr (A = Ram[addr])
• ldb, addr (B = Ram[addr])
• j, addr (PC = addr)
• jzr, addr (if A-B==0, PC = Ram[addr])
• sr, addr (Temporary set [Ram address] = addr, to be combined with lri)
• lri, imm (Ram[Ram address] = imm)
• disp, addr (Displays Ram[addr])
• jz, addr (if A-B==0, PC = addr)