X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;ds=sidebyside;f=16%2Fmodex16%2FMODEX16.H;fp=16%2Fmodex16%2FMODEX16.H;h=81960dd8ab4cb979e6685b29e4f00aa5ab503298;hb=42b3ed060a69fb588c7b933748400f2a052add0c;hp=7bd92bc1dcb5101cfe14e45a97009e2012ccbb00;hpb=e39146d878b2182cf44e648f55a3253dc5b8e98d;p=16.git

diff --git a/16/modex16/MODEX16.H b/16/modex16/MODEX16.H
index 7bd92bc1..81960dd8 100644
--- a/16/modex16/MODEX16.H
+++ b/16/modex16/MODEX16.H
@@ -9,7 +9,6 @@
 /* -========================== Types & Macros ==========================- */
 #define PAGE_OFFSET(x,y) (((y)<<6)+((y)<<4)+((x)>>2))
 #define PLANE(x) (1<< (x&3))
-typedef byte far* page_t;
 #define SELECT_ALL_PLANES() outpw(0x03c4, 0xff02)
 typedef struct {
     byte *data;
@@ -18,15 +17,28 @@ typedef struct {
     byte *palette;
 } bitmap_t;
 
+typedef struct {
+    byte far* data;	/* the data for the page */
+    word dx;		/* col we are viewing on the virtual screen */
+    word dy;		/* row we are viewing on the virtual screen */
+    word width;		/* virtual width of the page */
+    word height;	/* virtual height of the page */
+} page_t;
+
 /* -============================ Functions =============================- */
 /* mode switching, page, and plane functions */
 void modexEnter();
 void modexLeave();
-void modexShowPage(page_t page);
+page_t modexDefaultPage();
+page_t modexNextPage(page_t *p);
+void modexShowPage(page_t *page);
 void modexPanPage(page_t *page, int dx, int dy);
 void modexSelectPlane(byte plane);
-void modexClearRegion(page_t page, int x, int y, int w, int h, byte color);
-void modexDrawBmp(page_t page, int x, int y, bitmap_t *bmp, byte sprite);
+void modexClearRegion(page_t *page, int x, int y, int w, int h, byte color);
+void modexDrawBmp(page_t *page, int x, int y, bitmap_t *bmp);
+void modexDrawBmpRegion(page_t *page, int x, int y, int rx, int ry, int rw, int rh, bitmap_t *bmp);
+void modexDrawSprite(page_t *page, int x, int y, bitmap_t *bmp);
+void modexDrawSpriteRegion(page_t *page, int x, int y, int rx, int ry, int rw, int rh, bitmap_t *bmp);
 
 /* Palette fade and flash effects */
 void modexFadeOn(word fade, byte *palette);
@@ -53,6 +65,7 @@ bitmap_t modexLoadPcx(char *filename);
 
 /* -======================= Constants & Vars ==========================- */
 extern byte far*  VGA;  /* The VGA Memory */
+#define SCREEN_SEG		0xa000
 #define VIDEO_INT		0x10
 #define SET_MODE		0x00
 #define VGA_256_COLOR_MODE 	0x13
@@ -61,6 +74,7 @@ extern byte far*  VGA;  /* The VGA Memory */
 #define SCREEN_HEIGHT		240
 #define PAGE_SIZE		(word)(SCREEN_WIDTH/4 * SCREEN_HEIGHT)
 
+#define AC_INDEX		0x03c0
 #define SC_INDEX		0x03c4
 #define SC_DATA			0x03c5
 #define CRTC_INDEX		0x03d4