@@ -48,10 +48,10 @@ uxn_eval(Uxn *u, Uint16 pc)

 		switch(instr & 0x1f) {

 		case 0x00:

 		/* Literals/Calls */

-		if(instr == 0x20)      /* JMI  */ { sp = &u->wst->ptr; PEEK16(a, pc) pc = a; }

-		else if(instr == 0x40) /* JCI  */ { sp = &u->wst->ptr; src = u->wst; POP8(a) PEEK16(b, pc) pc = a ? (Uint16)b : pc + 2; }

-		else if(instr == 0x60) /* JSI  */ { sp = &u->wst->ptr; PEEK16(a, pc) PUSH16(u->rst, pc + 2) pc = a; }

-		else if(bs)            /* LIT2 */ { PEEK16(a, pc) PUSH16(src, a) pc = pc + 2; }

+		if(instr == 0x20)      /* JMI  */ { PEEK16(a, pc) pc = a; }

+		else if(instr == 0x40) /* JCI  */ { sp = &u->wst->ptr; src = u->wst; POP8(a) if(a) { PEEK16(b, pc) pc = b; } else { pc += 2; } }

+		else if(instr == 0x60) /* JSI  */ { PEEK16(a, pc) PUSH16(u->rst, pc + 2) pc = a; }

+		else if(bs)            /* LIT2 */ { PEEK16(a, pc) PUSH16(src, a) pc += 2; }

 		else                   /* LITr */ { a = u->ram[pc++]; PUSH8(src, a) } break;

 		/* ALU */

 		case 0x01: /* INC */ POP(a) PUSH(src, a + 1) break;