资源说明:A simple 16 bit computer simulator
16 bit computer emulator Instruction< Data > <4 bits > < 4 bits > <8 bits> Memory Limitation: 16 addressable spaces Operand Limitations: 2^4 = 16. 0 - 15 Instruction Limitation: 16 bits maximum length, 8 bits minimum length. Registers: 2 Instruction. Address 0 and 1 2 Operand. Address 0 and 1 Op Codes: 0000 - Load . Loads operands into a memory location 0001 - Pop . Pops off the stack after an math operation has occured. 0011 - Add . Adds the two operands in the memory locations specified together 1100 - Display . Displays the contents of the memory location 0111 - HALT. Stops the program 1111 - Move . Moves operands in memory locations 1110 - Remove . Removes an operand from a memory location 1001 - Subtract . Subtracts the two operands in the memory locations 1011 - Divide . Divides the two operands in the memory locations 1101 - Multiply . Multiplies the two operands in the memory locations 0101 - Read Register . Reads from either the operand or instrutction register. 1010 - Write Register . Writes to either the operand or instruction regsister. 0100 - CONTINUE. Signifies that there is more of the program. Useful for programs that are more than 16 lines. Wipes main memory, registers still retain their information. Type Codes: 0001 - Broken up instruction. Tells the IO to break the instruction down into two 8 bit segments 0011 - Read/write to/from Instruction register 0111 - Read/Write to/from Operand register
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