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More specification.

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Felix Queißner 2016-05-19 11:28:06 +02:00
parent 7f04fc6c6b
commit cfbe20ea70
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prototypes/supervm/instructions.md
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@ -79,14 +79,71 @@ An instruction is only executed when all conditions are met.
| 5 | BPGET | output = BP |
| 6 | BPSET | output = BP = input0 |
| 7 | RSTSTACK | output = SP = BP |
| 8 | | |
| 9 | | |
| 10 | | |
| 8 | MATH | output = input0 OP[info] input1 |
| 9 | spget | output = SP + input0 |
| 10 | spset | output = SP + input0 = input1 |
| 11 | | |
| 12 | | |
| 13 | | |
| 14 | | |
| 15 | | |
### Math
The math operator is a compound operator that contains all
arithmetic operations. The arithmetic operation is selected
by the `cmdinfo`.
| cmdinfo | Operation |
|---------|-----------------------------|
| 0 | Addition |
| 1 | Subtraction |
| 2 | Multiplication |
| 3 | Division |
| 4 | Euclidean Division / Modulo |
| 5 | Bitwise Logic And |
| 6 | Bitwise Logic Or |
| 7 | Bitwise Logic Xor |
| 8 | Bitwise Logic Not |
| 9 | Rotating Bit Shift Left |
| 10 | Rotating Bit Shift Right |
| 11 | Arithmetic Bit Shift Left |
| 12 | Arithmetic Bit Shift Right |
| 13 | Logic Bit Shift Left |
| 14 | Logic Bit Shift Right |
## Assembler Mnemonics
| Mnemonic | Arg? | i0 | i1 | Cmd | CmdInfo | Output |
|----------|------|------|------|-------|----------|---------|
| nop | no | zero | zero | copy | 0 | discard |
| push | yes | arg | zero | copy | 0 | push |
| drop | no | pop | zero | copy | 0 | discard |
| dup | no | peek | zero | copy | 0 | push |
| jmp | yes | arg | zero | copy | 0 | jump |
| jmpi | no | pop | zero | copy | 0 | jump |
| ret | no | pop | zero | copy | 0 | jump |
| load | yes | arg | zero | load | 0 | push |
| loadi | no | pop | zero | load | 0 | push |
| store | yes | arg | pop | store | 0 | discard |
| storei | no | pop | pop | store | 0 | discard |
| get | yes | arg | zero | get | 0 | push |
| geti | no | pop | zero | get | 0 | push |
| set | yes | arg | pop | set | 0 | discard |
| seti | no | pop | pop | set | 0 | discard |
| bpget | no | zero | zero | bpget | 0 | push |
| bpset | no | pop | zero | bpset | 0 | discard |
| add | no | pop | pop | math | 0 | push |
| sub | no | pop | pop | math | 1 | push |
| mul | no | pop | pop | math | 2 | push |
| div | no | pop | pop | math | 3 | push |
| mod | no | pop | pop | math | 4 | push |
| and | no | pop | pop | math | 5 | push |
| or | no | pop | pop | math | 6 | push |
| xor | no | pop | pop | math | 7 | push |
| not | no | pop | zero | math | 8 | push |
| rol | no | pop | pop | math | 9 | push |
| ror | no | pop | pop | math | 10 | push |
| asl | no | pop | pop | math | 11 | push |
| asr | no | pop | pop | math | 12 | push |
| shl | no | pop | pop | math | 13 | push |
| shr | no | pop | pop | math | 14 | push |