toddsharpe / SAP

Simple As Possible computer, based off Ben Eater's youtube series.

SAP

Simple As Possible computer, based off Ben Eater's series.

Includes Assembler, Virtual Machine, Microcode generator and FPGA implementation for Basys 3 Artix-7.

Building

1. Build tools (ASM, UCode, VM): Scripts\build_solution.cmd
2. Build programs: Scripts\build_programs.cmd. Optionally run: Scripts\run_programs.cmd.
3. Build Microcode (for FPGA): Scripts\build_microcode.cmd. Modify Ram.v with program to run.
4. Build FPGA: sap1.xpr.

Programs

Add

Add.asm

SAP1 Virtual Machine
Out:
0x8

Machine State:
PC 0x5
A 0x8
B 0x2
CF 0
ZF 0
OUT 0x8

Fib

Fib.asm

SAP1 Virtual Machine
Out:
0x0
0x1
0x1
0x2
0x3
0x5
0x8
0xd
0x15
0x22
0x37
0x59
0x90
0xe9

Machine State:
PC 0xe
A 0x79
B 0xe9
CF 1
ZF 0
OUT 0xe9

Running on BASYS 3: