__seguse.txt added to show _seg usage also OpenVGMFile needs to be ported to 16_snd...

[16.git] / src / lib / 16_vl.c

diff --git a/src/lib/16_vl.c b/src/lib/16_vl.c
index 2e5fa42e184eb9d6ed18da64adc0fc4a1abe8503..7e67b01293432e91b9166b430996522576c12711 100755 (executable)
--- a/src/lib/16_vl.c
+++ b/src/lib/16_vl.c
@@ -409,20 +409,21 @@ modexSelectPlane(byte plane) {
 }\r
 \r
 void\r
-modexClearRegion(page_t *page, int x, int y, int w, int h, byte  color) {\r
+modexClearRegion(page_t *page, int x, int y, int w, int h, byte color)\r
+{\r
        word pageOff = (word) page->data;\r
-       word xoff=x/4;     /* xoffset that begins each row */\r
-       word scanCount=w/4;  /* number of iterations per row (excluding right clip)*/\r
-       word poffset = pageOff + y*(page->stridew) + xoff; /* starting offset */\r
-       word nextRow = page->stridew-scanCount-1;  /* loc of next row */\r
-       byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08};  /* clips for rectangles not on 4s */\r
+       word xoff=(x>>2);                                                       // xoffset that begins each row\r
+       word poffset = pageOff + y*(page->stridew) + xoff;      // starting offset\r
+       word scanCount=w>>2;                                            // number of iterations per row (excluding right clip)\r
+       word nextRow = page->stridew-scanCount-1;               // loc of next row\r
+       byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08};                        // clips for rectangles not on 4s\r
        byte rclip[] = {0x00, 0x01, 0x03, 0x07};\r
        byte left = lclip[x&0x03];\r
        byte right = rclip[(x+w)&0x03];\r
 \r
-       /* handle the case which requires an extra group */\r
+       // handle the case which requires an extra group\r
        if((x & 0x03) && !((x+w) & 0x03)) {\r
-         right=0x0f;\r
+               right=0x0f;\r
        }\r
 \r
        //printf("modexClearRegion(x=%u, y=%u, w=%u, h=%u, left=%u, right=%u)\n", x, y, w, h, left, right);\r
@@ -492,17 +493,17 @@ modexCopyPageRegion(page_t *dest, page_t *src,
                        word dx, word dy,\r
                        word width, word height)\r
 {\r
-       word doffset = (word)dest->data + dy*(dest->stridew) + dx/4;\r
-       word soffset = (word)src->data + sy*(src->stridew) + sx/4;\r
-       word scans   = vga_state.vga_stride;                            //++++0000 the quick and dirty fix of the major issue with p16 video display wwww\r
+       word doffset = (word)dest->data + dy*(dest->stridew) + (dx>>2);\r
+       word soffset = (word)src->data + sy*(src->stridew) + (sx>>2);\r
+       word scans      = vga_state.vga_stride+8;                               //++++0000 the quick and dirty fix of the major issue with p16 video display wwww\r
        word nextSrcRow = src->stridew - scans - 1;\r
        word nextDestRow = dest->stridew - scans - 1;\r
-       byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08};  /* clips for rectangles not on 4s */\r
+       byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08};                        // clips for rectangles not on 4s\r
        byte rclip[] = {0x00, 0x01, 0x03, 0x07};\r
        byte left = lclip[sx&0x03];\r
        byte right = rclip[(sx+width)&0x03];\r
 \r
-       /* handle the case which requires an extra group */\r
+       // handle the case which requires an extra group\r
        if((sx & 0x03) && !((sx+width) & 0x03)) {\r
                right=0x0f;\r
        }\r