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(uxn.c) Wrap zero-page

This commit is contained in:
neauoire 2023-11-01 09:54:57 -07:00
parent be438b40c6
commit 5c79d2813a
1 changed files with 6 additions and 6 deletions
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12
src/uxn.c
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@ -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 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 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 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 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 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) T = ram[pc + (Sint8)t]; 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) rr = ram + pc + (Sint8)t; T2_(PEEK2(rr)) 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) ram[pc + (Sint8)t] = n; 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) rr = ram + pc + (Sint8)t; POKE2(rr, 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 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 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; case 0x15: /* STA */ t=T2;n=L; SET(3,-3) ram[t] = n; break;