From 2beff689d08384597238e947907d569e87202dd3 Mon Sep 17 00:00:00 2001
From: Dagen Brock <dagenbrock@gmail.com>
Date: Wed, 19 Oct 2016 12:04:01 -0500
Subject: [PATCH] minor additions

---
 src/defc.h   |  1 +
 src/dis.c    | 12 ++++++++----
 src/protos.h |  1 +
 3 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/src/defc.h b/src/defc.h
index 75d5d62..29084fd 100644
--- a/src/defc.h
+++ b/src/defc.h
@@ -60,6 +60,7 @@ void U_STACK_TRACE();
 #define DRECIP_DCYCS_IN_16MS	(1.0 / (DCYCS_IN_16MS))
 
 #ifdef GSPLUS_LITTLE_ENDIAN
+// @todo: look at using <byteswap.h> for fastest platform implementations
 # define BIGEND(a)    ((((a) >> 24) & 0xff) +			\
 			(((a) >> 8) & 0xff00) + 		\
 			(((a) << 8) & 0xff0000) + 		\
diff --git a/src/dis.c b/src/dis.c
index e91615a..211b956 100644
--- a/src/dis.c
+++ b/src/dis.c
@@ -33,6 +33,8 @@ extern byte *g_memory_ptr;
 extern byte *g_slow_memory_ptr;
 extern int halt_sim;
 extern int enter_debug;
+extern int g_dbg_step;	//debug.c
+extern int timeout;			//debug.c
 extern int g_c068_statereg;
 extern word32 stop_run_at;
 extern int Verbose;
@@ -595,14 +597,13 @@ do_blank()
 	}
 }
 
+
+/* also called by do_step */
 void
 do_go()
 {
-	/* also called by do_step */
-
 	g_config_control_panel = 0;
 	clear_halt();
-
 	run_prog();
 	show_regs();
 	g_config_control_panel = 1;
@@ -614,16 +615,20 @@ do_step()
 	int size;
 	int size_mem_imm, size_x_imm;
 
+	// run an instruction
 	do_go();
 
+	// check accumulator size
 	size_mem_imm = 2;
 	if(engine.psr & 0x20) {
 		size_mem_imm = 1;
 	}
+	// check xy size
 	size_x_imm = 2;
 	if(engine.psr & 0x10) {
 		size_x_imm = 1;
 	}
+	// then disassemble
 	size = do_dis(stdout, engine.kpc, size_mem_imm, size_x_imm, 0, 0);
 }
 
@@ -701,7 +706,6 @@ read_line(char *buf, int len)
 #ifdef _WIN32
 		ret = win_nonblock_read_stdin(0, buf, 1);
 #elif defined(__OS2__)
-
 #else
 		/* Unix */
 		ret = read(0, buf, 1);
diff --git a/src/protos.h b/src/protos.h
index ef896c9..8129680 100644
--- a/src/protos.h
+++ b/src/protos.h
@@ -221,6 +221,7 @@ void show_bp(void);
 void delete_bp(word32 addr);
 void do_blank(void);
 void do_go(void);
+void do_go_debug(void);  // socket debug ver
 void do_step(void);
 void xam_mem(int count);
 void show_hex_mem(int startbank, word32 start, int endbank, word32 end, int count);