Simple assembler written in Ruby for a simple 16-bit CPU written in Verilog. Based in MIPS syntax with next features:
- 19 basic instructions
- 16 registers ($0-$15)
- 4 I/O ports (@0-@3)
- Support labels
- Support comments
Ruby >=1.9.3
$ gem install rips
or download from RubyGems.
Optional: Rips syntax highlightning package for sublime text 2/3
$ rips [OPTIONS] instructions.rips
Examples:
$ rips --debug instructions.rips
$ rips -d instructions.rips -o instructions
-d, --debug Show trace in console
-o FILE Output file with binary instructions (by default: progfile.dat)
| Name | MNENOMIC | FORMAT | OPERATION | OPCODE |
|---|---|---|---|---|
| Move | move | C | move $1, $0 | 0000 |
| Not | not | C | not $1, $0 | 0001 |
| Add | add | D | add $2, $0, $1 | 0010 |
| Subtract | sub | D | sub $2, $0, $1 | 0011 |
| And | and | D | and $2, $0, $1 | 0100 |
| Or | or | D | or $2, $0, $1 | 0101 |
| Shift right logical | srl | D | srl $2, $3, $1 | 0110 |
| Less than | lest | D | lest $0, $2, $1 | 0111 |
| Jump | j | B | j label | 1001 |
| Load Inmediate | li | C | li $0, 10 | 1010 |
| Load from I/O | lesr | C | lesr $0, @0 | 1011 |
| Store I/O from Reg | sesr | C | sesr @0, $0 | 1101 |
| Store I/O from Mem | sesm | C | sesm @0, 10 | 1110 |
| Relative Jump | ji | B | ji 10 | 011000 |
| Jump and Link | jal | B | jal label | 101000 |
| Jump Register | jr | A | jr | 111000 |
| Branch z!=0 | bnez | B | bnez label | 001111 |
| Branch z==0 | beqz | B | beqz label | 011111 |
| No Operation | nop | A | nop | 111111 |
- Fork it ( https://github.com/Madh93/rips/fork )
- Create your feature branch (
git checkout -b my-new-feature) - Commit your changes (
git commit -am 'Add some feature') - Push to the branch (
git push origin my-new-feature) - Create a new Pull Request