fixed the physical to virtual translation issues with DJGPP, watcom just

[dosdemo] / src / dos / main.c

diff --git a/src/dos/main.c b/src/dos/main.c
index 6d83027..70ea449 100644 (file)
--- a/src/dos/main.c
+++ b/src/dos/main.c
@@ -15,6 +15,7 @@
 #include "cfgopt.h"
 #include "logger.h"
 #include "tinyfps.h"
+#include "cdpmi.h"
 
 #undef NOKEYB
 
@@ -31,7 +32,11 @@ static quat_t rot = {0, 0, 0, 1};
 
 int main(int argc, char **argv)
 {
-       fbsize = fb_width * fb_height * fb_bpp / CHAR_BIT;
+#ifdef __DJGPP__
+       __djgpp_nearptr_enable();
+#endif
+
+       fbsize = fb_width * fb_height * fb_bpp / 8;
 
        init_logger("demo.log");
 
@@ -46,12 +51,14 @@ int main(int argc, char **argv)
                set_mouse(fb_width / 2, fb_height / 2);
        }
 
-       if(!(fb_pixels = malloc(fbsize))) {
+       /* allocate a couple extra rows as a guard band, until we fucking fix the rasterizer */
+       if(!(fb_pixels = malloc(fbsize + (fb_width * fb_bpp / 8) * 2))) {
                fprintf(stderr, "failed to allocate backbuffer\n");
                return 1;
        }
+       fb_pixels += fb_width;
 
-       if(!(vmem = set_video_mode(fb_width, fb_height, fb_bpp))) {
+       if(!(vmem = set_video_mode(fb_width, fb_height, fb_bpp, 1))) {
                return 1;
        }