diff options
Diffstat (limited to 'src/lvm.js')
-rw-r--r-- | src/lvm.js | 27 |
1 files changed, 21 insertions, 6 deletions
@@ -14,7 +14,7 @@ class LuaVM { return base + a; } - RB(base, opcode, base, b) { + RB(base, opcode, b) { return base + b; } @@ -35,18 +35,21 @@ class LuaVM { let ci = L.ci[this.L.ciOff]; newframe: - let cl = ci.func; - let k = cl.p.k; - let base = ci.base; - for (;;) { + var cl = L.stack[ci.func]; + let k = cl.p.k; + let base = ci.base; + let i = ci.savedpc[ci.pcOff++]; - let ra = this.RA(base, i.a); + let ra = this.RA(base, i.A); + console.log(OC.OpCodes[i.opcode]); switch (OC.OpCodes[i.opcode]) { case "OP_MOVE": + L.stack[ra] = RB(base, i.opcode, i.B); break; case "OP_LOADK": + L.stack[ra] = k[i.Bx]; break; case "OP_LOADKX": break; @@ -121,6 +124,18 @@ class LuaVM { case "OP_TAILCALL": break; case "OP_RETURN": + if (i.B >= 2) { + for (let j = 0; j <= i.B-2; j++) { + L.stack[L.ciOff + j] = L.stack[ra + j]; + } + } + L.ci = ci.previous; + + if (L.ci === null) return; + + if (i.B !== 0) L.top = ci.top; + + continue newframe; break; case "OP_FORLOOP": break; |