uxn

commit 5c79d2813ad79c7f44862a196d0515ef8244bfc0
parent be438b40c697ed15a550234c8f1e9d762e9ed498
Author: neauoire <aliceffekt@gmail.com>
Date:   Wed,  1 Nov 2023 09:54:57 -0700

(uxn.c) Wrap zero-page

Diffstat:
M
src/uxn.c
 | 
12
++++++------

1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/src/uxn.c b/src/uxn.c
@@ -83,13 +83,13 @@ uxn_eval(Uxn *u, Uint16 pc)
 			case 0x0f: /* STH  */ t=T;            SET(1,-1) FLIP SHIFT(1) T = t; break;
 			case 0x2f: /* STH2 */ t=T2;           SET(2,-2) FLIP SHIFT(2) T2_(t) break;
 			case 0x10: /* LDZ  */ t=T;            SET(1, 0) T = ram[t]; break;
-			case 0x30: /* LDZ2 */ t=T;            SET(1, 1) N = ram[t++]; T = ram[t]; break;
+			case 0x30: /* LDZ2 */ t=T;            SET(1, 1) N = ram[t++]; T = ram[(Uint8)t]; break;
 			case 0x11: /* STZ  */ t=T;n=N;        SET(2,-2) ram[t] = n; break;
-			case 0x31: /* STZ2 */ t=T;n=H2;       SET(3,-3) ram[t++] = n >> 8; ram[t] = n; break;
-			case 0x12: /* LDR  */ t=T;            SET(1, 0) T = ram[pc + (Sint8)t]; break;
-			case 0x32: /* LDR2 */ t=T;            SET(1, 1) rr = ram + pc + (Sint8)t; T2_(PEEK2(rr)) break;
-			case 0x13: /* STR  */ t=T;n=N;        SET(2,-2) ram[pc + (Sint8)t] = n; break;
-			case 0x33: /* STR2 */ t=T;n=H2;       SET(3,-3) rr = ram + pc + (Sint8)t; POKE2(rr, n) break;
+			case 0x31: /* STZ2 */ t=T;n=H2;       SET(3,-3) ram[t++] = n >> 8; ram[(Uint8)t] = n; break;
+			case 0x12: /* LDR  */ t=T;            SET(1, 0) r = pc + (Sint8)t; T = ram[r]; break;
+			case 0x32: /* LDR2 */ t=T;            SET(1, 1) r = pc + (Sint8)t; N = ram[r++]; T = ram[r]; break;
+			case 0x13: /* STR  */ t=T;n=N;        SET(2,-2) r = pc + (Sint8)t; ram[r] = n; break;
+			case 0x33: /* STR2 */ t=T;n=H2;       SET(3,-3) r = pc + (Sint8)t; ram[r++] = n >> 8; ram[r] = n; break;
 			case 0x14: /* LDA  */ t=T2;           SET(2,-1) T = ram[t]; break;
 			case 0x34: /* LDA2 */ t=T2;           SET(2, 0) N = ram[t++]; T = ram[t]; break;
 			case 0x15: /* STA  */ t=T2;n=L;       SET(3,-3) ram[t] = n; break;