void modexEnter(sword vq, boolean cmem, global_game_variables_t *gv)\r
{\r
word i;\r
- dword far*ptr=(dword far*)vga_state.vga_graphics_ram;//VGA; /* used for faster screen clearing */\r
struct vga_mode_params cm;\r
int CRTParmCount;\r
\r
case 1:\r
//CRTParmCount = sizeof(ModeX_320x240regs) / sizeof(ModeX_320x240regs[0]);\r
/* width and height */\r
- gv->video.page[0].sw=vga_state.vga_width = 320; // VGA lib currently does not update this\r
- gv->video.page[0].sh=vga_state.vga_height = 240; // VGA lib currently does not update this\r
-\r
+ gv->video.page[0].sw = vga_state.vga_width = 320; // VGA lib currently does not update this\r
+ gv->video.page[0].sh = vga_state.vga_height = 240; // VGA lib currently does not update this\r
+ /* virtual width and height. match screen, at first */\r
+ gv->video.page[0].height = gv->video.page[0].sh;\r
+ gv->video.page[0].width = gv->video.page[0].sw;\r
+\r
+ // mode X BYTE mode\r
+ cm.word_mode = 0;\r
+ cm.dword_mode = 0;\r
// 320x240 mode 60Hz\r
cm.horizontal_total=0x5f + 5; /* CRTC[0] -5 */\r
cm.horizontal_display_end=0x4f + 1; /* CRTC[1] -1 */\r
cm.clock_select = 0; /* misc register = 0xE3 25MHz */\r
cm.vsync_neg = 1;\r
cm.hsync_neg = 1;\r
- vga_state.vga_stride=0x58;\r
- cm.offset=0x2c;\r
+ cm.offset = (vga_state.vga_width / (4 * 2)); // 320 wide (40 x 4 pixel groups x 2)\r
break;\r
case 2: // TODO: 160x120 according to ModeX_160x120regs\r
return;\r
return;\r
}\r
\r
+ vga_state.vga_stride = cm.offset * 2;\r
vga_write_crtc_mode(&cm,0);\r
\r
/* clear video memory */\r
switch (cmem)\r
{\r
- case 1:\r
- /* clear video memory */\r
- vga_write_sequencer(2/*map mask register*/,0xf/*all 4 planes*/);\r
- for(i=0; i<0x8000; i++) ptr[i] = 0x0000;\r
+ case 1: {\r
+ /* clear video memory */\r
+ dword far*ptr=(dword far*)vga_state.vga_graphics_ram;//VGA; /* used for faster screen clearing */\r
+ vga_write_sequencer(2/*map mask register*/,0xf/*all 4 planes*/);\r
+ for(i = 0;i < 0x4000; i++) ptr[i] = 0x0000; // 0x4000 x dword = 64KB\r
+ }\r
break;\r
}\r
- gv->video.page[0].tilesw = gv->video.page[0].sw/TILEWH;\r
- gv->video.page[0].tilesh = gv->video.page[0].sh/TILEWH;\r
+\r
+// gv->video.page[0].tw = gv->video.page[0].sw/TILEWH;\r
+// gv->video.page[0].th = gv->video.page[0].sh/TILEWH;\r
+\r
//TODO MAKE FLEXIBLE~\r
- gv->video.page[0].tilemidposscreenx = gv->video.page[0].tilesw;\r
- gv->video.page[0].tilemidposscreeny = (gv->video.page[0].tilesh/2)+1;\r
- #define PAGE_SIZE (word)(gv->video.page[0].sw/4 * gv->video.page[0].sh)\r
+// gv->video.page[0].tilemidposscreenx = gv->video.page[0].tilesw;\r
+// gv->video.page[0].tilemidposscreeny = (gv->video.page[0].tilesh/2)+1;\r
+ gv->video.num_of_pages=0;\r
}\r
\r
void\r
modexLeave() {\r
- /* TODO restore original mode and palette */\r
+ /* VGAmodeX restores original mode and palette */\r
vgaSetMode(TEXT_MODE);\r
}\r
\r
page_t page;\r
\r
/* default page values */\r
- page.data = vga_state.vga_graphics_ram;//VGA;\r
+ //page.data = VGA;\r
+ //page.data = (byte far *)(vga_state.vga_graphics_ram);\r
+ page.data = (vga_state.vga_graphics_ram);\r
page.dx = 0;\r
page.dy = 0;\r
page.sw = p->sw;\r
page.sh = p->sh;\r
- page.width = p->sw;\r
- page.height = p->sh;\r
+ page.width = p->sw+TILEWHD;\r
+ page.height = p->sh+TILEWHD;\r
page.tw = page.sw/TILEWH;\r
page.th = page.sh/TILEWH;\r
+ page.tilesw=page.width/TILEWH;\r
+ page.tilesh=page.height/TILEWH;\r
page.tilemidposscreenx = page.tw/2;\r
page.tilemidposscreeny = (page.th/2)+1;\r
- page.tilesw=p->tilesw;\r
- page.tilesh=p->tilesh;\r
- //pageSize = p->sw*p->sh;\r
+ page.pagesize = (sdiword)(page.width/4)*page.height;\r
page.id = 0;\r
\r
return page;\r
modexNextPage(page_t *p) {\r
page_t result;\r
\r
- result.data = p->data + (p->width/4)*p->height;\r
+ result.data = p->data + (p->pagesize);\r
result.dx = 0;\r
result.dy = 0;\r
result.width = p->width;\r
result.height = p->height;\r
- result.tw = p->width/TILEWH;\r
- result.th = p->height/TILEWH;\r
+ result.tw = p->tw;\r
+ result.th = p->th;\r
+ result.tilesw = p->tilesw;\r
+ result.tilesh = p->tilesh;\r
result.id = p->id+1;\r
+ result.pagesize = p->pagesize;\r
\r
return result;\r
-// return modexNextPageFlexibleSize(&p, p->width, p->height);\r
}\r
\r
//next page with defined dimentions~\r
{\r
page_t result;\r
\r
- result.data = p->data + (p->width/4)*p->height; /* compute the offset */\r
+ result.data = p->data + (p->pagesize); /* compute the offset */\r
result.dx = 0;\r
result.dy = 0;\r
result.width = x;\r
result.height = y;\r
- result.tw = p->width/TILEWH;\r
- result.th = p->height/TILEWH;\r
+ result.tw = result.sw/TILEWH;\r
+ result.th = result.sh/TILEWH;\r
+ result.tilesw=result.width/TILEWH;\r
+ result.tilesh=result.height/TILEWH;\r
result.id = p->id+1;\r
+ result.pagesize = (sdiword)(result.width/4)*result.height;\r
\r
return result;\r
}\r
\r
+void modexCalcVmemRemain(video_t *video)\r
+{\r
+ byte i;\r
+ //printf("\n\n 1st vmem_remain=%ld\n", video->vmem_remain);\r
+ for(i=0; i<=video->num_of_pages-1; i++)\r
+ {\r
+ video->vmem_remain-=video->page[i].pagesize;\r
+ //printf(" [%u], video->page[i].pagesize=%ld\n", i, video->page[i].pagesize);\r
+ //printf(" [%u], vmem_remain=%ld\n", i, video->vmem_remain);\r
+ }\r
+}\r
+\r
+void modexHiganbanaPageSetup(video_t *video)\r
+{\r
+ video->vmem_remain=262144L;\r
+ (video->page[0]) = modexDefaultPage(&(video->page[0])); video->num_of_pages++;\r
+ //video->page[0].width += (TILEWHD); video->page[0].height += (TILEWHD);\r
+ (video->page[1]) = modexNextPage(&(video->page[0])); video->num_of_pages++;\r
+ //(video->page[2]) = modexNextPageFlexibleSize(&(video->page[1]), video->page[0].width, video->page[0].sh-40); video->num_of_pages++;\r
+ //(video->page[3]) = modexNextPageFlexibleSize(&(video->page[2]), TILEWH, TILEWH); video->num_of_pages++;\r
+ modexCalcVmemRemain(video);\r
+ video->p=0;\r
+}\r
\r
void\r
modexShowPage(page_t *page) {\r
}\r
\r
__asm {\r
+ PUSHF\r
+ PUSH ES\r
+ PUSH AX\r
+ PUSH BX\r
+ PUSH CX\r
+ PUSH DX\r
+ PUSH SI\r
+ PUSH DI\r
MOV AX, SCREEN_SEG ; go to the VGA memory\r
MOV ES, AX\r
MOV DI, poffset ; go to the first pixel\r
ADD DI, nextRow ; go to the next row\r
DEC h\r
JNZ SCAN_START\r
+ POP DI\r
+ POP SI\r
+ POP DX\r
+ POP CX\r
+ POP BX\r
+ POP AX\r
+ POP ES\r
+ POPF\r
}\r
}\r
\r
{\r
word doffset = (word)dest->data + dy*(dest->width/4) + dx/4;\r
word soffset = (word)src->data + sy*(src->width/4) + sx/4;\r
- word scans = width/4;\r
+ word scans = vga_state.vga_stride;\r
word nextSrcRow = src->width/4 - scans - 1;\r
word nextDestRow = dest->width/4 - scans - 1;\r
byte lclip[] = {0x0f, 0x0e, 0x0c, 0x08}; /* clips for rectangles not on 4s */\r
\r
}\r
\r
-void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str, word addrq, boolean q)\r
+void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str)\r
{\r
word s, o, w;\r
+ word x_draw = x;\r
word addr = (word) romFontsData.l;\r
+ word addrq = (page->width/4) * y + (x / 4) + ((word)page->data);\r
+ word addrr = addrq;\r
byte c;\r
\r
s=romFonts[t].seg;\r
for(; *str != '\0'; str++)\r
{\r
c = (*str);\r
- if((c=='\n'/* || c=="\\r
-"*/) || romFontsData.chw\r
->=page->width)\r
+ if(c=='\n')\r
{\r
- romFontsData.chw=0;\r
- y+=romFonts[t].charSize;\r
+ x = x_draw;\r
+ romFontsData.chw = 0;\r
+ addrq += (page->width / 4) * 8;\r
+ addrr = addrq;\r
+ y += 8;\r
continue;\r
}\r
- //load the letter 'A'\r
- __asm {\r
- MOV DI, addr\r
- MOV SI, o\r
- MOV ES, s\r
- SUB AH, AH\r
- MOV AL, c ; the letter\r
- MOV CX, w\r
- MUL CX\r
- ADD SI, AX ;the address of charcter\r
- L1: MOV AX, ES:SI\r
- MOV DS:DI, AX\r
- INC SI\r
- INC DI\r
- DEC CX\r
- JNZ L1\r
- }\r
-//TODO: OPTIMIZE THIS!!!!\r
- modexDrawCharPBuf(page, x, y, t, col, bgcol, addrq, q);\r
\r
- //if(!q) getch();\r
+ // load the character into romFontsData.l\r
+ // no need for inline assembly!\r
+ // NTS: It might even be faster to just let the modexDrawChar point directly at ROM font than to copy per char! --J.C.\r
+ _fmemcpy(romFontsData.l,MK_FP(s,o+(w*c))/*ROM font location*/,w/*char size*/);\r
+ modexDrawChar(page, x_draw/*for mode X planar use*/, t, col, bgcol, addrr);\r
+ x_draw += 8; /* track X for edge of screen */\r
+ addrr += 2; /* move 8 pixels over (2 x 4 planar pixels per byte) */\r
}\r
}\r
\r
_fmemset(Where, color, page->width*(page->height)/4);\r
}\r
\r
-/*void\r
+void\r
modexWaitBorder() {\r
while(inp(INPUT_STATUS_1) & 8) {\r
// spin\r
while(!(inp(INPUT_STATUS_1) & 8)) {\r
// spin\r
}\r
-}*/\r
+}\r
\r
void bios_cls() {\r
VGA_ALPHA_PTR ap;\r
projects / 16.git / blobdiff