From: Jonathan Campbell <jonathan@castus.tv>
Date: Sun, 17 Apr 2016 06:58:17 +0000 (-0700)
Subject: 16.c needs to probe DOS and VGA before using modex library.
X-Git-Url: http://4ch.mooo.com/gitweb/?p=16.git;a=commitdiff_plain;h=0b27dec43b461090fb2b9770f031dd230a9a0f75

16.c needs to probe DOS and VGA before using modex library.
now it works without crashing.
---

diff --git a/src/16.c b/src/16.c
index bfe777e2..27c17a58 100755
--- a/src/16.c
+++ b/src/16.c
@@ -32,6 +32,27 @@ player_t player[MaxPlayers];
 void
 main(int argc, char *argv[])
 {
+	// DOSLIB: check our environment
+	probe_dos();
+
+	// DOSLIB: what CPU are we using?
+	// NTS: I can see from the makefile Sparky4 intends this to run on 8088 by the -0 switch in CFLAGS.
+	//      So this code by itself shouldn't care too much what CPU it's running on. Except that other
+	//      parts of this project (DOSLIB itself) rely on CPU detection to know what is appropriate for
+	//      the CPU to carry out tasks. --J.C.
+	cpu_probe();
+
+	// DOSLIB: check for VGA
+	if (!probe_vga()) {
+		printf("VGA probe failed\n");
+		return;
+	}
+	// hardware must be VGA or higher!
+	if (!(vga_state.vga_flags & VGA_IS_VGA)) {
+		printf("This program requires VGA or higher graphics hardware\n");
+		return;
+	}
+
 	//screen = modexDefaultPage();
 	engi_stat = ENGI_RUN;
 	//textInit();