commit d3ea48e
Devine Lu Linvega
·
2024-07-01 03:54:12 +0000 UTC
parent e379cfa
Faster JSI opcode
1 files changed,
+1,
-6
+1,
-6
1@@ -50,12 +50,7 @@ uxn_eval(Uint16 pc)
2 case 0x00: /* BRK */ return 1;
3 case 0x20: /* JCI */ if(!uxn.wst.dat[uxn.wst.ptr--]) { pc += 2; break; } /* fall-through */
4 case 0x40: /* JMI */ rr = uxn.ram + pc; pc += 2 + PEEK2(rr); break;
5- case 0x60: /* JSI */ uxn.rst.ptr += 2;
6- rr = uxn.ram + pc;
7- pc += 2; r = pc;
8- uxn.rst.dat[uxn.rst.ptr] = pc;
9- uxn.rst.dat[(Uint8)(uxn.rst.ptr - 1)] = pc >> 8;
10- pc += PEEK2(rr); break;
11+ case 0x60: /* JSI */ rr = uxn.ram + pc; pc += 2; uxn.rst.dat[++uxn.rst.ptr] = pc >> 8; uxn.rst.dat[++uxn.rst.ptr] = pc; pc += PEEK2(rr); break;
12 case 0xa0: /* LIT2 */ uxn.wst.dat[++uxn.wst.ptr] = uxn.ram[pc++]; /* fall-through */
13 case 0x80: /* LIT */ uxn.wst.dat[++uxn.wst.ptr] = uxn.ram[pc++]; break;
14 case 0xe0: /* LIT2r */ uxn.rst.dat[++uxn.rst.ptr] = uxn.ram[pc++]; /* fall-through */