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uxn
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Merge branch 'main' of git.sr.ht:~rabbits/uxn

This commit is contained in:
Devine Lu Linvega 2023-03-13 10:32:44 -07:00
parent b38e328078 c701b95541
commit 35c90d8a24
1 changed files with 2 additions and 2 deletions
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src/uxn.c
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@ -28,7 +28,7 @@ WITH REGARD TO THIS SOFTWARE.
*/
#define HALT(c) { return uxn_halt(u, ins, (c), pc - 1); }
#define SET(mul, add) { if(mul > s->ptr) HALT(1) s->ptr += k * mul + add; if(s->ptr > 254) HALT(2) }
#define SET(mul, add) { if(mul > s->ptr) HALT(1) tmp = s->ptr + k * mul + add; if(tmp > 254) HALT(2) s->ptr = tmp; }
#define PUT(o, v) { s->dat[s->ptr - 1 - (o)] = (v); }
#define PUT2(o, v) { tmp = (v); s->dat[s->ptr - o - 2] = tmp >> 8; s->dat[s->ptr - o - 1] = tmp; }
#define PUSH(stack, v) { if(s->ptr > 254) HALT(2) stack->dat[stack->ptr++] = (v); }
@ -61,7 +61,7 @@ uxn_eval(Uxn *u, Uint16 pc)
/* ALU */
case 0x01: /* INC */ t=T; SET(1, 0) PUT(0, t + 1) break; case 0x21: t=T2; SET(2, 0) PUT2(0, t + 1) break;
case 0x02: /* POP */ SET(1,-1) break; case 0x22: SET(2,-2) break;
case 0x03: /* NIP */ t=T; SET(1,-1) PUT(0, t) break; case 0x23: t=T2; SET(2,-2) PUT2(0, t) break;
case 0x03: /* NIP */ t=T; SET(2,-1) PUT(0, t) break; case 0x23: t=T2; SET(4,-2) PUT2(0, t) break;
case 0x04: /* SWP */ t=T;n=N; SET(2, 0) PUT(0, n) PUT(1, t) break; case 0x24: t=T2;n=N2; SET(4, 0) PUT2(0, n) PUT2(2, t) break;
case 0x05: /* ROT */ t=T;n=N;l=L; SET(3, 0) PUT(0, l) PUT(1, t) PUT(2, n) break; case 0x25: t=T2;n=N2;l=L2; SET(6, 0) PUT2(0, l) PUT2(2, t) PUT2(4, n) break;
case 0x06: /* DUP */ t=T; SET(1, 1) PUT(0, t) PUT(1, t) break; case 0x26: t=T2; SET(2, 2) PUT2(0, t) PUT2(2, t) break;