From 724137d696f36a0630c4ec0ddeaea6312a041a8b Mon Sep 17 00:00:00 2001
From: Paul Gilbert
Date: Sun, 5 May 2019 16:35:26 +1000
Subject: GLK: MAGNETIC: General initialization

---
 engines/glk/magnetic/magnetic.cpp | 24 ++++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

(limited to 'engines/glk/magnetic/magnetic.cpp')

diff --git a/engines/glk/magnetic/magnetic.cpp b/engines/glk/magnetic/magnetic.cpp
index 9bfdc4825c..c658b8c5fd 100644
--- a/engines/glk/magnetic/magnetic.cpp
+++ b/engines/glk/magnetic/magnetic.cpp
@@ -28,7 +28,27 @@ namespace Glk {
 namespace Magnetic {
 
 Magnetic::Magnetic(OSystem *syst, const GlkGameDescription &gameDesc) : GlkAPI(syst, gameDesc),
-		vm_exited_cleanly(false) {
+	
+		vm_exited_cleanly(false), dlimit(0xffffffff), slimit(0xffffffff), log_on(0),
+		i_count(0), string_size(0), rseed(0), pc(0), arg1i(0), mem_size(0), properties(0), fl_sub(0),
+		fl_tab(0), fl_size(0), fp_tab(0), fp_size(0), zflag(0), nflag(0), cflag(0), vflag(0), byte1(0),
+		byte2(0), regnr(0), admode(0), opsize(0), arg1(nullptr), arg2(nullptr), is_reversible(0),
+		lastchar(0), version(0), sd(0), decode_table(nullptr), restart(nullptr), code(nullptr),
+		string(nullptr), string2(nullptr), string3(nullptr), dict(nullptr), quick_flag(0), gfx_ver(0),
+		gfx_buf(nullptr), gfx_data(nullptr), gfx2_hdr(0), gfx2_buf(nullptr), gfx2_hsize(0),
+		snd_buf(nullptr), snd_hdr(nullptr), snd_hsize(0), undo_pc(0), undo_size(0),
+		gfxtable(0), table_dist(0), v4_id(0), next_table(1), pos_table_size(0),
+		command_table(nullptr), command_index(-1), pos_table_index(-1), pos_table_max(-1),
+		anim_repeat(0) {
+
+	// Emu fields
+	undo[0] = undo[1] = nullptr;
+	undo_stat[0] = undo_stat[1] = 0;
+	Common::fill(&dreg[0], &dreg[8], 0);
+	Common::fill(&areg[0], &areg[8], 0);
+	Common::fill(&tmparg[0], &tmparg[4], 0);
+	Common::fill(&undo_regs[0][0], &undo_regs[2][18], 0), 
+	Common::fill(&pos_table_count[0], &pos_table_count[MAX_POSITIONS], 0);
 }
 
 void Magnetic::runGame() {
@@ -60,7 +80,7 @@ bool Magnetic::is_gamefile_valid() {
 	}
 
 	// We support version 2.0 through 3.1.*
-	uint version = _gameFile.readUint32BE();
+	version = _gameFile.readUint32BE();
 	if (version < 0x20000) {
 		GUIErrorMessage(_("This Glulx file is too old a version to execute."));
 		return false;
-- 
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