コミット: 0b27dec43b461090fb2b9770f031dd230a9a0f75 - project16 (git)

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コミットメタ情報

• リビジョン: 0b27dec43b461090fb2b9770f031dd230a9a0f75 (tree)
• 日時: 2016-04-17 15:58:17
• 作者: Jonathan Campbell <jonathan@cast...>
• コミッター: Jonathan Campbell

ログメッセージ

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

変更サマリ

• modified: src/16.c

差分

--- 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();