From: sparky4 <sparky4@cock.li>
Date: Tue, 28 Jun 2016 14:46:42 +0000 (-0500)
Subject: gvar.video.page[1].pattern_ofs removed because it is just (0x10000UL - (uint16_t... 
X-Git-Url: http://4ch.mooo.com/gitweb/?a=commitdiff_plain;h=7a3b6f331f36735ef30027236eb447439583d43d;p=16.git

gvar.video.page[1].pattern_ofs removed because it is just (0x10000UL - (uint16_t)gvar.video.page[1].data)
---

diff --git a/0.l16 b/0.l16
index cd0a3e5b..1057f7fa 100755
--- a/0.l16
+++ b/0.l16
@@ -1 +1 @@
-23936	40960
+41600
diff --git a/src/0.c b/src/0.c
index 5e50c2fc..31da3feb 100755
--- a/src/0.c
+++ b/src/0.c
@@ -115,7 +115,7 @@ int main(int argc,char **argv) {
 		//4	this dose the sprite? wwww
 		/* fill pattern offset with a distinctive pattern */
 		for (i=0;i < gvar.video.page[0].width;i++) {
-			o = (i >> 2) + gvar.video.page[1].pattern_ofs;
+			o = (i >> 2) + (0x10000UL - (uint16_t)gvar.video.page[1].data);
 			vga_write_sequencer(0x02/*map mask*/,1 << (i&3));
 			for (j=0;j < VMEMHEIGHT;j++,o += gvar.video.page[0].stridew)
 				vga_state.vga_graphics_ram[o] = (i^j)&15; // VRL samples put all colors in first 15!
@@ -146,7 +146,7 @@ int main(int argc,char **argv) {
 			/* block copy pattern to where we will draw the sprite */
 			vga_setup_wm1_block_copy();
 			o2 = gvar.video.page[0].pagesize;
-			o = gvar.video.page[1].pattern_ofs + (ry * gvar.video.page[0].stridew) + (rx >> 2); // source offscreen
+			o = (0x10000UL - (uint16_t)gvar.video.page[1].data) + (ry * gvar.video.page[0].stridew) + (rx >> 2); // source offscreen
 			for (i=0;i < h;i++,o += gvar.video.page[0].stridew,o2 += (w >> 2)) vga_wm1_mem_block_copy(o2,o,w >> 2);
 			/* must restore Write Mode 0/Read Mode 0 for this code to continue drawing normally */
 			vga_restore_rm0wm0();
@@ -279,7 +279,7 @@ int main(int argc,char **argv) {
 		}
 	}
 //uint16_t
-	printf("%u	%u\n", (gvar.video.page[1].data), 0x10000UL - gvar.video.page[0].pagesize);
+	printf("%u\n", (0x10000UL - (uint16_t)(gvar.video.page[1].data)));
 	VGAmodeX(0, 1, &gvar);
 	free(vrl_lineoffs);
 	buffer = NULL;
diff --git a/src/lib/modex16.c b/src/lib/modex16.c
index 9ae5246e..900914e1 100755
--- a/src/lib/modex16.c
+++ b/src/lib/modex16.c
@@ -197,7 +197,6 @@ modexDefaultPage(page_t *p)
 	page.tilesh=page.height/TILEWH;
 	page.tilemidposscreenx = page.tw/2;
 	page.tilemidposscreeny = (page.th/2)+1;
-	page.pattern_ofs=0;
 	page.stridew=page.width/4;
 	page.pagesize = (word)(page.stridew)*page.height;
 	page.pi=page.width*4;
@@ -225,7 +224,6 @@ modexNextPage(page_t *p) {
 	result.tilesw = p->tilesw;
 	result.tilesh = p->tilesh;
 	result.stridew=p->stridew;
-	result.pattern_ofs = 0x10000UL - p->pagesize;
 	result.pagesize = p->pagesize;
 	result.pi=result.width*4;
 	result.id = p->id+1;
@@ -250,7 +248,6 @@ modexNextPageFlexibleSize(page_t *p, word x, word y)
 	result.th = result.sh/TILEWH;
 	result.tilesw=result.width/TILEWH;
 	result.tilesh=result.height/TILEWH;
-	result.pattern_ofs=0x10000UL - (p->pattern_ofs+p->pagesize);
 	result.id = p->id+1;
 	result.stridew=p->sw/4;//result.width/4;
 	result.pagesize = (word)(result.stridew)*result.height;
diff --git a/src/lib/scroll16.c b/src/lib/scroll16.c
index dcb8911c..eb83157e 100755
--- a/src/lib/scroll16.c
+++ b/src/lib/scroll16.c
@@ -374,7 +374,7 @@ void near mapScrollRight(map_view_t *mv, player_t *player, word id, word plid)
 	mv[id].tx++;
 	/* Snap the origin forward */
 	mv[id].page->data += 4;
-	mv[id].page->pattern_ofs += 4;
+
 	mv[id].page->dx = mv[id].map->tiles->tileWidth;
 	}
 
@@ -404,7 +404,7 @@ void near mapScrollLeft(map_view_t *mv, player_t *player, word id, word plid)
 	mv[id].tx--;
 	/* Snap the origin backward */
 	mv[id].page->data -= 4;
-	mv[id].page->pattern_ofs -= 4;
+
 	mv[id].page->dx = mv[id].map->tiles->tileWidth;
 	}
 
@@ -434,7 +434,7 @@ void near mapScrollUp(map_view_t *mv, player_t *player, word id, word plid)
 	mv[id].ty--;
 	/* Snap the origin downward */
 	mv[id].page->data -= mv[id].page->pi;
-	mv[id].page->pattern_ofs -= mv[id].page->pi;
+
 	mv[id].page->dy = mv[id].map->tiles->tileHeight;
 	}
 
@@ -463,7 +463,7 @@ void near mapScrollDown(map_view_t *mv, player_t *player, word id, word plid)
 	mv[id].ty++;
 	/* Snap the origin downward */
 	mv[id].page->data += mv[id].page->pi;
-	mv[id].page->pattern_ofs += mv[id].page->pi;
+
 	mv[id].page->dy = mv[id].map->tiles->tileHeight;
 	}
 
@@ -493,7 +493,6 @@ void near ScrollRight(map_view_t *mv, player_t *player, word id, word plid)
 // 		vga_restore_rm0wm0();
 		/* Snap the origin forward */
 		mv[id].page->data += 4;
-		mv[id].page->pattern_ofs += 4;
 		mv[id].page->dx = mv[0].map->tiles->tileWidth;
 	}
 }
@@ -511,7 +510,6 @@ void near ScrollLeft(map_view_t *mv, player_t *player, word id, word plid)
 // 		vga_restore_rm0wm0();
 		/* Snap the origin backward */
 		mv[id].page->data -= 4;
-		mv[id].page->pattern_ofs -=4;
 		mv[id].page->dx = mv[0].map->tiles->tileWidth;
 	}
 }
@@ -529,7 +527,6 @@ void near ScrollUp(map_view_t *mv, player_t *player, word id, word plid)
 // 		vga_restore_rm0wm0();
 		/* Snap the origin backward */
 		mv[id].page->data -= mv[id].page->pi;
-		mv[id].page->pattern_ofs -= mv[id].page->pi;
 		mv[id].page->dy = mv[0].map->tiles->tileWidth;
 	}
 }
@@ -547,7 +544,6 @@ void near ScrollDown(map_view_t *mv, player_t *player, word id, word plid)
 // 		vga_restore_rm0wm0();
 		/* Snap the origin forward */
 		mv[id].page->data += mv[id].page->pi;
-		mv[id].page->pattern_ofs += mv[id].page->pi;
 		mv[id].page->dy = mv[0].map->tiles->tileWidth;
 	}
 }
diff --git a/src/lib/typdefst.h b/src/lib/typdefst.h
index cbbe4712..da79ebc8 100755
--- a/src/lib/typdefst.h
+++ b/src/lib/typdefst.h
@@ -82,7 +82,6 @@ typedef struct {
 	sword tilemidposscreeny;	/* middle tile position */
 	sword tileplayerposscreenx;	/* player position on screen */
 	sword tileplayerposscreeny;	/* player position on screen */
-	uint16_t pattern_ofs;		/* doslib vga patter offset www */
 	word stridew;			/*width/4*/
 	word pagesize;			/* page size */
 	word pi;				/* incremention page by this much to preserve location */