/* Project 16 Source Code~\r
- * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669\r
+ * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
*\r
* This file is part of Project 16.\r
*\r
* Project 16 is free software; you can redistribute it and/or modify\r
* it under the terms of the GNU General Public License as published by\r
- * the Free Software Foundation; either verson 3 of the License, or\r
+ * the Free Software Foundation; either version 3 of the License, or\r
* (at your option) any later version.\r
*\r
* Project 16 is distributed in the hope that it will be useful,\r
static void\r
vgaSetMode(byte mode)\r
{\r
- int10_setmode(mode);\r
+ union REGS regs;\r
+\r
+ regs.h.ah = SET_MODE;\r
+ regs.h.al = mode;\r
+ int86(VIDEO_INT, ®s, ®s);\r
+ //int10_setmode(mode);\r
}\r
\r
//---------------------------------------------------\r
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
vgaSetMode(VGA_256_COLOR_MODE);\r
vga_enable_256color_modex();\r
+\r
update_state_from_vga();\r
vga_read_crtc_mode(&cm);\r
\r
+ /* reprogram the CRT controller */\r
+ //outp(CRTC_INDEX, 0x11); /* VSync End reg contains register write prot */\r
+ //outp(CRTC_DATA, 0x7f); /* get current write protect on varios regs */\r
+\r
switch(vq)\r
{\r
case 1:\r
//CRTParmCount = sizeof(ModeX_320x240regs) / sizeof(ModeX_320x240regs[0]);\r
+ /*for(i=0; i<CRTParmCount; i++) {\r
+ outpw(CRTC_INDEX, ModeX_320x240regs[i]);\r
+ }*/\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.horizontal_blank_start=0x50 + 1; /* CRTC[2] */\r
- cm.horizontal_blank_end=0x82 + 1; /* CRTC[3] bit 0-4 & CRTC[5] bit 7 */\r
+// cm.horizontal_blank_end=0x82 + 1; /* CRTC[3] bit 0-4 & CRTC[5] bit 7 *///skewing ^^;\r
cm.horizontal_start_retrace=0x54;/* CRTC[4] */\r
cm.horizontal_end_retrace=0x80; /* CRTC[5] bit 0-4 */\r
//cm.horizontal_start_delay_after_total=0x3e; /* CRTC[3] bit 5-6 */\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
}\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.stridew=page.width/4;\r
+ page.pagesize = (word)(page.stridew)*page.height;\r
+ page.pi=page.width*4;\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.sw = p->sw;\r
+ result.sh = p->sh;\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.stridew=p->stridew;\r
+ result.pagesize = p->pagesize;\r
+ result.pi=result.width*4;\r
result.id = p->id+1;\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.sw = x;\r
+ result.sh = y;\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.stridew=p->sw/4;//result.width/4;\r
+ result.pagesize = (word)(result.stridew)*result.height;\r
+ switch(result.id)\r
+ {\r
+ case 2:\r
+ result.pi=p->width*4;\r
+ break;\r
+ case 3:\r
+ result.pi=p->pi;\r
+ break;\r
+ }\r
\r
return result;\r
}\r
\r
+void modexCalcVmemRemain(video_t *video)\r
+{\r
+ byte i;\r
+ //printf("\n\n 1st vmem_remain=%u\n", video->vmem_remain);\r
+ for(i=0; i<video->num_of_pages; i++)\r
+ {\r
+ video->vmem_remain-=video->page[i].pagesize;\r
+ //printf(" [%u], video->page[%u].pagesize=%u\n", i, i, video->page[i].pagesize);\r
+ //printf(" [%u], vmem_remain=%u\n", i, video->vmem_remain);\r
+ }\r
+}\r
+\r
+void modexHiganbanaPageSetup(video_t *video)\r
+{\r
+ video->vmem_remain=65535U;\r
+ video->num_of_pages=0;\r
+ (video->page[0]) = modexDefaultPage(&(video->page[0])); video->num_of_pages++; //video->page[0].width += (TILEWHD); video->page[0].height += (TILEWHD);\r
+ (video->page[1]) = modexNextPage(&(video->page[0])); video->num_of_pages++;\r
+//0000 (video->page[2]) = modexNextPageFlexibleSize(&(video->page[1]), (video->page[0]).width, TILEWH*4); video->num_of_pages++;\r
+//0000 (video->page[3]) = (video->page[2]); video->num_of_pages++;\r
+ (video->page[2]) = modexNextPageFlexibleSize(&(video->page[1]), TILEWH*4, TILEWH*4); video->num_of_pages++;\r
+// (video->page[3]) = modexNextPageFlexibleSize(&(video->page[2]), video->page[0].width, 176); video->num_of_pages++;\r
+ (video->page[3]) = modexNextPageFlexibleSize(&(video->page[2]), video->page[0].sw, 208); video->num_of_pages++;\r
+// (video->page[2]) = modexNextPageFlexibleSize(&(video->page[1]), video->page[0].width, 172); video->num_of_pages++;\r
+// (video->page[3]) = modexNextPageFlexibleSize(&(video->page[2]), 72, 128); video->num_of_pages++;\r
+ modexCalcVmemRemain(video);\r
+ video->p=0;\r
+ video->r=1;\r
+}\r
\r
void\r
modexShowPage(page_t *page) {\r
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
outp(AC_INDEX, (page->dx & 0x03) << 1);\r
}\r
\r
-\r
void\r
modexPanPage(page_t *page, int dx, int dy) {\r
page->dx = dx;\r
page->dy = dy;\r
}\r
\r
-\r
void\r
modexSelectPlane(byte plane) {\r
outp(SC_INDEX, MAP_MASK); /* select plane */\r
outp(SC_DATA, plane);\r
}\r
\r
-\r
void\r
modexClearRegion(page_t *page, int x, int y, int w, int h, byte color) {\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->width/4) + xoff; /* starting offset */\r
- word nextRow = page->width/4-scanCount-1; /* loc of next row */\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
byte rclip[] = {0x00, 0x01, 0x03, 0x07};\r
byte left = lclip[x&0x03];\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
+\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
word dx, word dy,\r
word width, word height)\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 nextSrcRow = src->width/4 - scans - 1;\r
- word nextDestRow = dest->width/4 - scans - 1;\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 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 rclip[] = {0x0f, 0x01, 0x03, 0x07};\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
+ if((sx & 0x03) && !((sx+width) & 0x03)) {\r
+ right=0x0f;\r
+ }\r
+\r
+// printf("modexCopyPageRegion(src->stridew=%u, dest->stridew=%u, sx=%u, sy=%u, dx=%u, dy=%u, width=%u, height=%u, left=%u, right=%u)\n", src->stridew, dest->stridew, sx, sy, dx, dy, width, height, left, right);\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
+\r
MOV AX, SCREEN_SEG ; work in the vga space\r
MOV ES, AX ;\r
MOV DI, doffset ;\r
MOV DX, GC_INDEX+1 ; go back to CPU data\r
MOV AL, 0ffh ; none from latches\r
OUT DX, AL ;\r
+\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
\r
void\r
-modexPalOverscan(byte *p, word col)\r
+modexPalOverscan(word col)\r
{\r
//modexWaitBorder();\r
vga_wait_for_vsync();\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);\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
}\r
//load the letter 'A'\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
+\r
MOV DI, addr\r
MOV SI, o\r
MOV ES, s\r
INC DI\r
DEC CX\r
JNZ L1\r
+\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
for(i=0; i<w; i++)\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
+ while(inp(INPUT_STATUS_1) & 8) {\r
// spin\r
- }\r
-\r
- while(!(inp(INPUT_STATUS_1) & 8)) {\r
- // spin\r
- }\r
-}*/\r
-\r
-void bios_cls() {\r
- VGA_ALPHA_PTR ap;\r
- VGA_RAM_PTR rp;\r
- unsigned char m;\r
-\r
- m = int10_getmode();\r
- if ((rp=vga_state.vga_graphics_ram) != NULL && !(m <= 3 || m == 7)) {\r
- unsigned int i,im;\r
-\r
- im = (FP_SEG(vga_state.vga_graphics_ram_fence) - FP_SEG(vga_state.vga_graphics_ram));\r
- if (im > 0xFFE) im = 0xFFE;\r
- im <<= 4;\r
- for (i=0;i < im;i++) vga_state.vga_graphics_ram[i] = 0;\r
}\r
- else if ((ap=vga_state.vga_alpha_ram) != NULL) {\r
- unsigned int i,im;\r
\r
- im = (FP_SEG(vga_state.vga_alpha_ram_fence) - FP_SEG(vga_state.vga_alpha_ram));\r
- if (im > 0x7FE) im = 0x7FE;\r
- im <<= 4 - 1; /* because ptr is type uint16_t */\r
- for (i=0;i < im;i++) vga_state.vga_alpha_ram[i] = 0x0720;\r
+ while(!(inp(INPUT_STATUS_1) & 8)) {\r
+ //spin\r
}\r
- else {\r
- printf("WARNING: bios cls no ptr\n");\r
+}\r
+\r
+void modexprintmeminfo(video_t *v)\r
+{\r
+ byte i;\r
+ printf("video memory remaining: %u\n", v->vmem_remain);\r
+ printf("page ");\r
+ for(i=0; i<v->num_of_pages;i++)\r
+ {\r
+ 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("pi=%u", v->page[i].pi);\r
+ printf("\n");\r
}\r
}\r
projects / 16.git / blobdiff