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[VM] Assign arguments to variables to make accessing them terser.

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This commit is contained in:
jtuu 2019-10-02 17:39:32 +03:00
parent 806ab0ddd5
commit bdd7e8b174
1 changed files with 13 additions and 11 deletions
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24
src/quest_editor/scripting/vm/index.ts
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@ -97,6 +97,8 @@ export class VirtualMachine {
const exec = this.thread[this.thread_idx];
const inst = this.get_next_instruction_from_thread(exec);
const [arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7] = inst.args.map(arg => arg.value);
switch (inst.opcode) {
case OP_NOP:
break;
@ -110,37 +112,37 @@ export class VirtualMachine {
this.halt();
break;
case OP_THREAD:
this.start_thread(inst.args[0].value);
this.start_thread(arg0);
break;
case OP_LET:
this.set_sint(inst.args[0].value, this.get_sint(inst.args[1].value));
this.set_sint(arg0, this.get_sint(arg1));
break;
case OP_LETI:
this.set_sint(inst.args[0].value, inst.args[1].value);
this.set_sint(arg0, arg1);
break;
case OP_LETB:
case OP_LETW:
this.set_uint(inst.args[0].value, inst.args[1].value);
this.set_uint(arg0, arg1);
break;
case OP_SET:
this.set_sint(inst.args[0].value, 1);
this.set_sint(arg0, 1);
break;
case OP_CLEAR:
this.set_sint(inst.args[0].value, 0);
this.set_sint(arg0, 0);
break;
case OP_REV:
this.set_sint(inst.args[0].value, this.get_sint(inst.args[0].value) === 0 ? 1 : 0);
this.set_sint(arg0, this.get_sint(arg0) === 0 ? 1 : 0);
break;
case OP_CALL:
this.push_call_stack(exec, inst.args[0].value);
this.push_call_stack(exec, arg0);
break;
case OP_JMP:
this.jump_to_label(exec, inst.args[0].value);
this.jump_to_label(exec, arg0);
break;
case OP_ARG_PUSHR:
// deref given register ref
this.push_arg_stack(exec, new_arg(
this.get_sint(inst.args[0].value),
this.get_sint(arg0),
REGISTER_SIZE,
inst.args[0].asm
));
@ -150,7 +152,7 @@ export class VirtualMachine {
case OP_ARG_PUSHW:
case OP_ARG_PUSHS:
// push arg as-is
this.push_arg_stack(exec, inst.args[0].value);
this.push_arg_stack(exec, arg0);
break;
default:
throw new Error(`Unsupported instruction: ${inst.opcode.mnemonic}.`);