X-Git-Url: http://4ch.mooo.com/gitweb/?a=blobdiff_plain;f=src%2Flib%2Fmodex16.c;h=e5550b4c130f4a969a514d6df63c9f2393d35988;hb=3b3f3b4bc62245426ea4dec22cbfaa7cfbf13645;hp=91f83d6ecbb34553da9992de612168ac7c4c5255;hpb=b853220e4c3600b7d3b06b1888ec34269e96ceb6;p=16.git diff --git a/src/lib/modex16.c b/src/lib/modex16.c index 91f83d6e..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) { @@ -942,12 +969,14 @@ no... wait.... no wwww free(pal); } -void modexputPixel(int x, int y, byte color) -{ +void modexputPixel(page_t *page, int x, int y, byte color) +{ + word pageOff = (word) page->data; /* Each address accesses four neighboring pixels, so set Write Plane Enable according to which pixel we want to modify. The plane is determined by the two least - significant bits of the x-coordinate: */ + significant bits of the x-coordinate: */ + //modexSelectPlane(PLANE(x)); outp(SC_INDEX, 0x02); outp(SC_DATA, 0x01 << (x & 3)); @@ -955,24 +984,113 @@ void modexputPixel(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) + 0] = 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(word x, word y, word t, word col, const byte *str) +void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str) +{ + word i, s, o, w, j, xp; + byte l[1024]; + word addr = (word) l; + word chw=0; + byte c; + + switch(t) + { + case 0: + w=14; + break; + case 1: + w=8; + break; + case 2: + w=8; + break; + case 3: + w=16; + break; + default: + t=3; + w=16; + break; + } + + s=romFonts[t].seg; + o=romFonts[t].off; + + for(; *str != '\0'; str++) + { + c = (*str); + if((c=='\n'/* || c=="\ +"*/) || chw +>=page->width) + { + chw=0; + y+=w; + continue; + } + //load the letter 'A' + __asm { + MOV DI, addr + MOV SI, o + MOV ES, s + SUB AH, AH + MOV AL, c ; the letter + MOV CX, w + MUL CX + ADD SI, AX ;the address of charcter + L1: MOV AX, ES:SI + MOV DS:DI, AX + INC SI + INC DI + DEC CX + JNZ L1 + } + + for(i=0; i>=1; + } + } + chw += xp; + } +} + +void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str) { word i, s, o, w, j, xp; - char l[16]; + byte l[1024]; word addr = (word) l; word chw=0; byte c; @@ -1002,7 +1120,14 @@ void modexprint(word x, word y, word t, word col, const byte *str) for(; *str != '\0'; str++) { - c = *(str); + c = (*str); + if((c=='\n'/* || c=="\ +"*/)/* || chw>=page->width*/) + { + chw=0; + y+=w; + continue; + } //load the letter 'A' __asm { MOV DI, addr @@ -1027,12 +1152,13 @@ void modexprint(word x, word y, word t, word col, const byte *str) xp=0; while(j) { - modexputPixel(x+xp+chw, y+i, l[i] & j ? col:0); + //modexputPixel(page, x+xp+chw, y+i, l[i] & j ? col:bgcol); + modexClearRegion(page, (x+xp+chw)*8, (y+i)*8, 8, 8, l[i] & j ? col:bgcol); xp++; j>>=1; } } - chw += 8; + chw += xp; } }