From: Hugo Villeneuve <hugo@hugovil.com>
Date: Mon, 4 Nov 2013 15:16:04 +0000 (-0500)
Subject: Fix error with RETI instruction
X-Git-Tag: v2.0.0~98
X-Git-Url: http://gitweb.hugovil.com/?a=commitdiff_plain;h=c4f4ebc5ab29f3be5989e94768d8bb709667e3f1;p=emu8051.git

Fix error with RETI instruction

The stack pointer was not updated correctly.

Error reported and fixed by Anthony (antliu at gmail.com).
---

diff --git a/src/opcode2c.pl b/src/opcode2c.pl
index 0b11438..29c1c41 100755
--- a/src/opcode2c.pl
+++ b/src/opcode2c.pl
@@ -483,6 +483,7 @@ for ($i=0 ; $i< 256; $i++) {
 	    print INST_IMP "unsigned char SP = cpu8051_ReadD( _SP_ );\n";
 	    print INST_IMP "cpu8051.pc = ( cpu8051_ReadI( SP-- ) << 8 );\n";
 	    print INST_IMP "cpu8051.pc += cpu8051_ReadI( SP-- );\n";
+	    print INST_IMP "cpu8051_WriteD( _SP_, SP );\n";
 	}
 
 	# RLC