diff options
Diffstat (limited to 'instructions_new/push.ts')
| -rw-r--r-- | instructions_new/push.ts | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/instructions_new/push.ts b/instructions_new/push.ts new file mode 100644 index 0000000..b9dd718 --- /dev/null +++ b/instructions_new/push.ts @@ -0,0 +1,12 @@ +import { PC } from "../pc.ts"; + +export default { + function(this: PC, [reg1]: number[]) { + if (!this.getMem(0x7000)) throw 'no stack pointer'; + if (this.getMem(0x7001) == 256) throw 'stack overflow'; + const r1 = this.lib.parseReg(reg1); + this.setMem(this.getMem(0x7000) + this.getMem(0x7001), this.registers[r1]) + this.setMem(0x7001, this.getMem(0x7001) + 1) + }, + args: 1 +} \ No newline at end of file |