# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1483513410 28800
# Node ID 80ef49539550559bd240bfeda936bbd908f8536d
# Parent  06468b25a54373f6fc73a5b65afba5493e4e1a21
Fix reading from second controller port in SMS mode

diff -r 06468b25a543 -r 80ef49539550 sms.c
--- a/sms.c	Tue Jan 03 21:37:36 2017 -0800
+++ b/sms.c	Tue Jan 03 23:03:30 2017 -0800
@@ -86,12 +86,12 @@
 	sms_context *sms = z80->system;
 	if (location == 0xC0 || location == 0xDC) {
 		uint8_t port_a = io_data_read(sms->io.ports, z80->current_cycle);
-		uint8_t port_b = io_data_read(sms->io.ports, z80->current_cycle);
+		uint8_t port_b = io_data_read(sms->io.ports+1, z80->current_cycle);
 		return (port_a & 0x3F) | (port_b << 6);
 	}
 	if (location == 0xC1 || location == 0xDD) {
 		uint8_t port_a = io_data_read(sms->io.ports, z80->current_cycle);
-		uint8_t port_b = io_data_read(sms->io.ports, z80->current_cycle);
+		uint8_t port_b = io_data_read(sms->io.ports+1, z80->current_cycle);
 		return (port_a & 0x40) | (port_b >> 2 & 0xF) | (port_b << 1 & 0x80) | 0x10;
 	}
 	return 0xFF;