# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1729978281 25200
# Node ID 25e40370e0e47299862ef319c2c110864b7001b1
# Parent  573da2a2e6bbb0ec691ae0f82d45abf65f12dadf
Fix some IO port serial mode bugs

diff -r 573da2a2e6bb -r 25e40370e0e4 genesis.c
--- a/genesis.c	Thu Oct 24 21:08:10 2024 -0700
+++ b/genesis.c	Sat Oct 26 14:31:21 2024 -0700
@@ -1478,16 +1478,16 @@
 				value = io_rx_read(gen->io.ports + 1, context->cycles);
 				break;
 			case 0xC:
-				value = io_sctrl_read(gen->io.ports, context->cycles);
+				value = io_sctrl_read(gen->io.ports + 1, context->cycles);
 				break;
 			case 0xD:
 				value = gen->io.ports[2].serial_out;
 				break;
 			case 0xE:
-				value = io_rx_read(gen->io.ports + 1, context->cycles);
+				value = io_rx_read(gen->io.ports + 2, context->cycles);
 				break;
 			case 0xF:
-				value = io_sctrl_read(gen->io.ports, context->cycles);
+				value = io_sctrl_read(gen->io.ports + 2, context->cycles);
 				break;
 			default:
 				value = get_open_bus_value(&gen->header) >> 8;
diff -r 573da2a2e6bb -r 25e40370e0e4 io.c
--- a/io.c	Thu Oct 24 21:08:10 2024 -0700
+++ b/io.c	Sat Oct 26 14:31:21 2024 -0700
@@ -1822,9 +1822,7 @@
 
 uint32_t io_next_interrupt(io_port *port, uint32_t current_cycle)
 {
-	if (!(port->control & 0x80)) {
-		return CYCLE_NEVER;
-	}
+	
 	if (port->serial_ctrl & SCTRL_BIT_RX_INTEN) {
 		if (port->serial_ctrl & SCTRL_BIT_RX_READY) {
 			return current_cycle;
@@ -1833,7 +1831,9 @@
 			return port->receive_end;
 		}
 	}
-	//TODO: handle external interrupts from TH transitions
+	/*if (port->control & 0x80) {
+		//TODO: handle external interrupts from TH transitions
+	}*/
 	return CYCLE_NEVER;
 }