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Added DISC VM instruction to table

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Bobbi Webber-Manners 2018-05-18 20:52:00 -04:00 committed by GitHub
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@ -945,6 +945,7 @@ The call stack is used for all memory allocation within the virtual machine, as
| POPB | Pop 8 bit value from call stack, push onto eval stack [X] |
| PSHW | Push 16 bit value in X onto call stack. Drop X. |
| PSHB | Push 8 bit value in X onto call stack. Drop X. |
| DISC | Discard X bytes from call stack. Drop X. |
| SPTOFP | Copy stack pointer to frame pointer. (Enter function scope) |
| FPTOSP | Copy frame pointer to stack pointer. (Release local vars) |
| ATOR | Convert absolute address in X to FP-relative address |