From 6b9717276d2a36d140e0adacf377e848d801ef7a Mon Sep 17 00:00:00 2001
From: neauoire <aliceffekt@gmail.com>
Date: Wed, 1 Nov 2023 11:10:29 -0700
Subject: [PATCH] (uxn.c) Wrapping zp

---
 src/uxn.c | 40 ++++++++++++++++++++--------------------
 1 file changed, 20 insertions(+), 20 deletions(-)

diff --git a/src/uxn.c b/src/uxn.c
index 8bfc30d..c670d84 100644
--- a/src/uxn.c
+++ b/src/uxn.c
@@ -11,24 +11,24 @@ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 WITH REGARD TO THIS SOFTWARE.
 */
 
-#define FLIP       { s = ins & 0x40 ? &u->wst : &u->rst; }
-#define JUMP(x)    { if(m2) pc = (x); else pc += (Sint8)(x); }
-#define POKE(x, y) { if(m2) { t = (x); ram[t++] = y >> 8; ram[t] = y; } else ram[(x)] = (y); }
-#define PEEK(o, x) { if(m2) { t = (x); o = ram[t++] << 8 | ram[t]; } else o = ram[(x)]; }
-#define DEVR(o, p) { if(m2) { o = (emu_dei(u, p) << 8) | emu_dei(u, p + 1); } else o = emu_dei(u, p); }
-#define DEVW(p, y) { if(m2) { emu_deo(u, p, y >> 8); emu_deo(u, p + 1, y); } else emu_deo(u, p, y); }
-#define PUSH1(y)   { s->dat[s->ptr++] = (y); }
-#define PUSH2(y)   { t = (y); s->dat[s->ptr++] = t >> 0x8; s->dat[s->ptr++] = t; }
-#define PUSHx(y)   { if(m2) { PUSH2(y) } else PUSH1(y) }
-#define POP1(o)    { o = s->dat[--*sp]; }
-#define POP2(o)    { o = s->dat[--*sp] | (s->dat[--*sp] << 0x8); }
-#define POPx(o)    { if(m2) { POP2(o) } else POP1(o) }
+#define FLIP     { s = ins & 0x40 ? &u->wst : &u->rst; }
+#define JUMP(x)  { if(m2) pc = (x); else pc += (Sint8)(x); }
+#define PUSH1(y) { s->dat[s->ptr++] = (y); }
+#define PUSH2(y) { tt = (y); s->dat[s->ptr++] = tt >> 0x8; s->dat[s->ptr++] = tt; }
+#define PUSHx(y) { if(m2) { PUSH2(y) } else PUSH1(y) }
+#define POP1(o)  { o = s->dat[--*sp]; }
+#define POP2(o)  { o = s->dat[--*sp] | (s->dat[--*sp] << 0x8); }
+#define POPx(o)  { if(m2) { POP2(o) } else POP1(o) }
+#define POKE(x, y, r) { if(m2) { r = (x); ram[r++] = y >> 8; ram[r] = y; } else ram[(x)] = (y); }
+#define PEEK(o, x, r) { if(m2) { r = (x); o = ram[r++] << 8 | ram[r]; } else o = ram[(x)]; }
+#define DEVR(o, p)    { if(m2) { o = (emu_dei(u, p) << 8) | emu_dei(u, p + 1); } else o = emu_dei(u, p); }
+#define DEVW(p, y)    { if(m2) { emu_deo(u, p, y >> 8); emu_deo(u, p + 1, y); } else emu_deo(u, p, y); }
 
 int
 uxn_eval(Uxn *u, Uint16 pc)
 {
-	Uint8 ksp, *sp, *tp, *ram = u->ram;
-	Uint16 a, b, c, t;
+	Uint8 t, ksp, *sp, *tp, *ram = u->ram;
+	Uint16 tt, a, b, c;
 	if(!pc || u->dev[0x0f]) return 0;
 	for(;;) {
 		Uint8 ins = ram[pc++], opc = ins & 0x1f;
@@ -66,12 +66,12 @@ uxn_eval(Uxn *u, Uint16 pc)
 		case 0x0d: /* JCN */ POPx(a) POP1(b) if(b) JUMP(a) break;
 		case 0x0e: /* JSR */ POPx(a) FLIP PUSH2(pc) JUMP(a) break;
 		case 0x0f: /* STH */ POPx(a) FLIP PUSHx(a) break;
-		case 0x10: /* LDZ */ POP1(a) PEEK(b, a) PUSHx(b) break;
-		case 0x11: /* STZ */ POP1(a) POPx(b) POKE(a, b) break;
-		case 0x12: /* LDR */ POP1(a) PEEK(b, pc + (Sint8)a) PUSHx(b) break;
-		case 0x13: /* STR */ POP1(a) POPx(b) POKE(pc + (Sint8)a, b) break;
-		case 0x14: /* LDA */ POP2(a) PEEK(b, a) PUSHx(b) break;
-		case 0x15: /* STA */ POP2(a) POPx(b) POKE(a, b) break;
+		case 0x10: /* LDZ */ POP1(a) PEEK(b, a, t) PUSHx(b) break;
+		case 0x11: /* STZ */ POP1(a) POPx(b) POKE(a, b, t) break;
+		case 0x12: /* LDR */ POP1(a) PEEK(b, pc + (Sint8)a, tt) PUSHx(b) break;
+		case 0x13: /* STR */ POP1(a) POPx(b) POKE(pc + (Sint8)a, b, tt) break;
+		case 0x14: /* LDA */ POP2(a) PEEK(b, a, tt) PUSHx(b) break;
+		case 0x15: /* STA */ POP2(a) POPx(b) POKE(a, b, tt) break;
 		case 0x16: /* DEI */ POP1(a) DEVR(b, a) PUSHx(b) break;
 		case 0x17: /* DEO */ POP1(a) POPx(b) DEVW(a, b) break;
 		case 0x18: /* ADD */ POPx(a) POPx(b) PUSHx(b + a) break;