| Commit message (Collapse) | Author | Age | Files | Lines | |
|---|---|---|---|---|---|
| * | 4578 - subx: implement inc/dec operations | Kartik Agaram | 2018-09-21 | 1 | -17/+6 |
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| * | 4547 | Kartik Agaram | 2018-09-16 | 1 | -1/+1 |
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| * | 4538 | Kartik Agaram | 2018-09-07 | 1 | -2/+2 |
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| * | 4537 | Kartik Agaram | 2018-09-07 | 1 | -4/+5 |
| | | | | | | | | | | | | | | | | Streamline the factorial function; we don't need to save a stack variable into a register before operating on it. All instructions can take a stack variable directly. In the process we found two bugs: a) Opcode f7 was not implemented correctly. It was internally consistent but I'd never validated it against a natively running program. Turns out it encodes multiple instructions, not just 'not'. b) The way we look up imm32 operands was sometimes reading them before disp8/disp32 operands. | ||||
| * | 4527 - reading commandline arguments | Kartik Agaram | 2018-08-30 | 1 | -1/+60 |
| | | | | | | | | | | | | The new example ex9 doesn't yet work natively. In the process I've emulated the kernel's role in providing args, implemented a couple of instructions acting on 8-bit operands (useful for ASCII string operations), and begun the start of the standard library (ascii_length is the same as strlen). At the level of SubX we're just only going to support ASCII. | ||||
| * | 4469 | Kartik Agaram | 2018-08-03 | 1 | -0/+589 |