Small simplification of the IM0 code

redcode · Nov 23, 2023 · 76788c3 · 76788c3
1 parent 600ef57
commit 76788c3
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/sources/Z80.c b/sources/Z80.c
@@ -2024,7 +2024,7 @@ INSN(hook)
 	/* 9 */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	/* A */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
 	/* B */ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
-	/* C */ 1, 0, 3, 3, 3, 0, 0, 1, 1, 1, 3, 0, 3, 3, 0, 1,
+	/* C */ 1, 0, 3, 0, 3, 0, 0, 1, 1, 1, 3, 0, 3, 3, 0, 1,
 	/* D */ 1, 0, 3, 0, 3, 0, 0, 1, 1, 0, 3, 0, 3, 0, 0, 1,
 	/* E */ 1, 0, 3, 0, 3, 0, 0, 1, 1, 1, 3, 0, 3, 0, 0, 1,
 	/* F */ 1, 0, 3, 0, 3, 0, 0, 1, 1, 0, 3, 0, 3, 0, 0, 1};
@@ -2558,7 +2558,9 @@ Z80_API zusize z80_run(Z80 *self, zusize cycles)
 
 						else	{
 							cycles += 2 + insn_table[ird](self);
-							PC = im0.pc;
+
+							/* Restore PC, except for `jp WORD` */
+							if (ird != 0xC3) PC = im0.pc;
 							}
 
 						im0_finalize: