X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fmodex16.c;h=e5550b4c130f4a969a514d6df63c9f2393d35988;hb=e0806081573e79828c100893f396dadc9d909f99;hp=3efba94c6286bb39f1286f7c237eb5f1bd23bb67;hpb=94b2c3169aa6501f14ef021317647259b831d185;p=16.git diff --git a/src/lib/modex16.c b/src/lib/modex16.c index 3efba94c..e5550b4c 100644 --- a/src/lib/modex16.c +++ b/src/lib/modex16.c @@ -20,9 +20,6 @@ * */ -#include -#include -#include #include #include #include @@ -31,7 +28,37 @@ byte far* VGA=(byte far*) 0xA0000000; /* this points to video memory. */ static void fadePalette(sbyte fade, sbyte start, word iter, byte *palette); -static byte tmppal[PAL_SIZE]; +static byte tmppal[PAL_SIZE]; +int old_mode; + +///////////////////////////////////////////////////////////////////////////// +// // +// setvideo() - This function Manages the video modes // +// // +///////////////////////////////////////////////////////////////////////////// +void VGAmodeX(sword vq) +{ + union REGS in, out; + + if(!vq) + { // deinit the video + // change to the video mode we were in before we switched to mode 13h + modexLeave(); + in.h.ah = 0x00; + in.h.al = old_mode; + int86(0x10, &in, &out); + + } + else if(vq==1) + { // init the video + // get old video mode + in.h.ah = 0xf; + int86(0x10, &in, &out); + old_mode = out.h.al; + // enter mode + modexEnter(); + } +} static void vgaSetMode(byte mode) @@ -650,7 +677,7 @@ modexPalWhite() { } -/* utility */ +/* utility */ void modexPalUpdate(bitmap_t *bmp, word *i, word qp, word aqoffset) { @@ -957,18 +984,32 @@ void modexputPixel(page_t *page, int x, int y, byte color) offset = (width * y + x) / 4, and write the given color to the plane we selected above. Heed the active page start selection. */ - VGA[(unsigned)((SCREEN_WIDTH/4) * y) + (x / 4) + pageOff] = color; + VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff] = color; } -byte modexgetPixel(int x, int y) -{ +byte modexgetPixel(page_t *page, int x, int y) +{ + word pageOff = (word) page->data; /* Select the plane from which we must read the pixel color: */ outpw(GC_INDEX, 0x04); outpw(GC_INDEX+1, x & 3); - return VGA[(unsigned)((SCREEN_WIDTH/4) * y) + (x / 4) + 0]; + return VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff]; +} + +void modexhlin(page_t *page, word xl, word xh, word y, word color) +{ + word x; + word yy=0; + + for(x=0;x=SCREEN_WIDTH-1){ x=0; yy+=4; } + modexClearRegion(page, x+xl, y+yy, 4, 4, color); + } + //modexputPixel(page, x+xl, y, color); } void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str)