optimized scrolling ww

[16.git] / src / lib / modex16.c

diff --git a/src/lib/modex16.c b/src/lib/modex16.c
index 271a84efd3cfec5743eb49ec6d42022563b84403..eeba90fcfdd295bcc56d73993b3d2563400e9f65 100755 (executable)
--- a/src/lib/modex16.c
+++ b/src/lib/modex16.c
@@ -199,6 +199,7 @@ modexDefaultPage(page_t *p)
        page.tilemidposscreeny = (page.th/2)+1;\r
        page.stridew=page.width/4;\r
        page.pagesize = (word)(page.width/4)*page.height;\r
+       page.pi=4;\r
        page.id = 0;\r
 \r
     return page;\r
@@ -222,9 +223,10 @@ modexNextPage(page_t *p) {
        result.th = p->th;\r
        result.tilesw = p->tilesw;\r
        result.tilesh = p->tilesh;\r
-       result.id = p->id+1;\r
        result.stridew=p->stridew;\r
        result.pagesize = p->pagesize;\r
+       result.pi=4;\r
+       result.id = p->id+1;\r
 \r
        return result;\r
 }\r
@@ -249,6 +251,9 @@ modexNextPageFlexibleSize(page_t *p, word x, word y)
        result.id = p->id+1;\r
        result.stridew=result.width/4;\r
        result.pagesize = (word)(result.width/4)*result.height;\r
+       if(result.id==2)\r
+               result.pi=p->width*p->pi;\r
+       else if(result.id==3)   result.pi=p->pi;\r
 \r
        return result;\r
 }\r
@@ -302,14 +307,14 @@ modexShowPage(page_t *page) {
     low_address  = LOW_ADDRESS  | (offset << 8);\r
 \r
     /* wait for appropriate timing and then program CRTC */\r
-    while ((inp(INPUT_STATUS_1) & DISPLAY_ENABLE));\r
+    //while ((inp(INPUT_STATUS_1) & DISPLAY_ENABLE));\r
     outpw(CRTC_INDEX, high_address);\r
     outpw(CRTC_INDEX, low_address);\r
     outp(CRTC_INDEX, 0x13);\r
     outp(CRTC_DATA, crtcOffset);\r
 \r
     /*  wait for one retrace */\r
-    while (!(inp(INPUT_STATUS_1) & VRETRACE));\r
+    //while (!(inp(INPUT_STATUS_1) & VRETRACE));\r
 \r
     /* do PEL panning here */\r
     outp(AC_INDEX, 0x33);\r
@@ -1143,9 +1148,9 @@ modexWaitBorder() {
        // spin\r
        }\r
 \r
-//     while(!(inp(INPUT_STATUS_1)  & 8))  {\r
-//     //spin\r
-//     }\r
+       while(!(inp(INPUT_STATUS_1)  & 8))  {\r
+       //spin\r
+       }\r
 }\r
 \r
 void modexprintmeminfo(video_t *v)\r
@@ -1158,8 +1163,9 @@ void modexprintmeminfo(video_t *v)
                printf("        [%u]=", i);\r
                printf("(%Fp)", (v->page[i].data));\r
                printf(" size=%u        ", v->page[i].pagesize);\r
+               printf("w=%lu  h=%lu ", (unsigned long)v->page[i].width, (unsigned long)v->page[i].height);\r
                printf("sw=%lu  sh=%lu ", (unsigned long)v->page[i].sw, (unsigned long)v->page[i].sh);\r
-               printf(" width=%lu  height=%lu", (unsigned long)v->page[i].width, (unsigned long)v->page[i].height);\r
+               printf("pi=%u", v->page[i].pi);\r
                printf("\n");\r
        }\r
 }\r