Browse code
(uxn.c) Housekeeping
neauoire authored on 02/11/2023 03:37:46
Showing 1 changed files
| ... | ... |
@@ -45,12 +45,12 @@ uxn_eval(Uxn *u, Uint16 pc) |
| 45 | 45 |
Stack *s = ins & 0x40 ? &u->rst : &u->wst; |
| 46 | 46 |
switch(ins & 0x1f ? ins & 0x3f : ins) {
|
| 47 | 47 |
/* IMM */ |
| 48 |
- case 0x00: /* BRK */ return 1; |
|
| 49 |
- case 0x20: /* JCI */ t=T; SHIFT(-1) if(!t) { pc += 2; break; } /* else fallthrough */
|
|
| 50 |
- case 0x40: /* JMI */ rr = ram + pc; pc += PEEK2(rr) + 2; break; |
|
| 51 |
- case 0x60: /* JSI */ SHIFT( 2) T2_(pc + 2); rr = ram + pc; pc += PEEK2(rr) + 2; break; |
|
| 52 |
- case 0x80: /* LIT */ case 0xc0: SHIFT( 1) T = ram[pc++]; break; |
|
| 53 |
- case 0xa0: /* LIT2 */ case 0xe0: SHIFT( 2) N = ram[pc++]; T = ram[pc++]; break; |
|
| 48 |
+ case 0x00: /* BRK */ return 1; |
|
| 49 |
+ case 0x20: /* JCI */ t=T; SHIFT(-1) if(!t) { pc += 2; break; }
|
|
| 50 |
+ case 0x40: /* JMI */ rr = ram + pc; pc += 2 + PEEK2(rr); break; |
|
| 51 |
+ case 0x60: /* JSI */ SHIFT( 2) rr = ram + pc; pc += 2; T2_(pc); pc += PEEK2(rr); break; |
|
| 52 |
+ case 0x80: /* LIT */ case 0xc0: SHIFT( 1) T = ram[pc++]; break; |
|
| 53 |
+ case 0xa0: /* LIT2 */ case 0xe0: SHIFT( 2) N = ram[pc++]; T = ram[pc++]; break; |
|
| 54 | 54 |
/* ALU */ |
| 55 | 55 |
case 0x01: /* INC */ t=T; SET(1, 0) T = t + 1; break; |
| 56 | 56 |
case 0x21: /* INC2 */ t=T2; SET(2, 0) T2_(t + 1) break; |