# HG changeset patch
# User Michael Pavone <pavone@retrodev.com>
# Date 1435248162 25200
# Node ID cee1275f5d087fe8d3995dadf1925e6094beb801
# Parent  296ddfcf0d43c1b81882cad06b715e0f458a934f
Lame placeholder support for floating bus bits of IO hardware. Needs to be replaced with prefetch based values

diff -r 296ddfcf0d43 -r cee1275f5d08 blastem.c
--- a/blastem.c	Mon Jun 22 22:00:44 2015 -0700
+++ b/blastem.c	Thu Jun 25 09:02:42 2015 -0700
@@ -643,6 +643,8 @@
 		} else {
 			if (location == 0x1100) {
 				value = z80_enabled ? !z80_get_busack(gen->z80, context->current_cycle) : !gen->z80->busack;
+				//TODO: actual pre-fetch emulation
+				value |= 0x4E;
 				dprintf("Byte read of BUSREQ returned %d @ %d (reset: %d)\n", value, context->current_cycle, gen->z80->reset);
 			} else if (location == 0x1200) {
 				value = !gen->z80->reset;
@@ -662,6 +664,8 @@
 		value = value | (value << 8);
 	} else {
 		value <<= 8;
+		//TODO: actual pre-fetch emulation
+		value |= 0x73;
 	}
 	return value;
 }