-#include <dos.h>\r
-#include <string.h>\r
-#include <mem.h>\r
+/* Project 16 Source Code~\r
+ * Copyright (C) 2012-2015 sparky4 & pngwen & andrius4669\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 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
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with this program. If not, see <http://www.gnu.org/licenses/>, or\r
+ * write to the Free Software Foundation, Inc., 51 Franklin Street,\r
+ * Fifth Floor, Boston, MA 02110-1301 USA.\r
+ *\r
+ */\r
+\r
#include <conio.h>\r
#include <stdio.h>\r
#include <stdlib.h>\r
-#include "src\lib\modex16.h"\r
+#include "src/lib/modex16.h"\r
\r
-\r
-byte far* VGA=(byte far*) 0xA0000000; /* this points to video memory. */\r
+byte far* VGA=(byte far*) 0xA0000000; /* this points to video memory. */\r
\r
static void fadePalette(sbyte fade, sbyte start, word iter, byte *palette);\r
static byte tmppal[PAL_SIZE];\r
+//int old_mode;\r
+\r
+/////////////////////////////////////////////////////////////////////////////\r
+// //\r
+// setvideo() - This function Manages the video modes //\r
+// //\r
+/////////////////////////////////////////////////////////////////////////////\r
+void VGAmodeX(sword vq, global_game_variables_t *gv)\r
+{\r
+ union REGS in, out;\r
+\r
+ if(!vq)\r
+ { // deinit the video\r
+ // change to the video mode we were in before we switched to mode 13h\r
+ modexLeave();\r
+ in.h.ah = 0x00;\r
+ in.h.al = gv->old_mode;\r
+ int86(0x10, &in, &out);\r
+\r
+ }\r
+ else if(vq==1)\r
+ { // init the video\r
+ // get old video mode\r
+ in.h.ah = 0xf;\r
+ int86(0x10, &in, &out);\r
+ gv->old_mode = out.h.al;\r
+ // enter mode\r
+ modex__320x240_256__Enter(gv);\r
+ }\r
+}\r
\r
static void\r
vgaSetMode(byte mode)\r
int86(VIDEO_INT, ®s, ®s);\r
}\r
\r
-\r
/* -========================= Entry Points ==========================- */\r
void\r
-modexEnter() {\r
- word i;\r
- dword far*ptr=(dword far*)VGA; /* used for faster screen clearing */\r
- word CRTParms[] = {\r
- 0x0d06, /* vertical total */\r
- 0x3e07, /* overflow (bit 8 of vertical counts) */\r
- 0x4109, /* cell height (2 to double-scan */\r
- 0xea10, /* v sync start */\r
- 0xac11, /* v sync end and protect cr0-cr7 */\r
- 0xdf12, /* vertical displayed */\r
- 0x0014, /* turn off dword mode */\r
- 0xe715, /* v blank start */\r
- 0x0616, /* v blank end */\r
- 0xe317 /* turn on byte mode */\r
- };\r
- int CRTParmCount = sizeof(CRTParms) / sizeof(CRTParms[0]);\r
-\r
- /* TODO save current video mode and palette */\r
- vgaSetMode(VGA_256_COLOR_MODE);\r
-\r
- /* disable chain4 mode */\r
- outpw(SC_INDEX, 0x0604);\r
-\r
- /* synchronous reset while setting Misc Output */\r
- outpw(SC_INDEX, 0x0100);\r
-\r
- /* select 25 MHz dot clock & 60 Hz scanning rate */\r
- outp(MISC_OUTPUT, 0xe3);\r
-\r
- /* undo reset (restart sequencer) */\r
- outpw(SC_INDEX, 0x0300);\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
- /* send the CRTParms */\r
- for(i=0; i<CRTParmCount; i++) {\r
- outpw(CRTC_INDEX, CRTParms[i]);\r
- }\r
+modex__320x240_256__Enter(global_game_variables_t *gv)\r
+{\r
+ word i;\r
+ dword far*ptr=(dword far*)VGA; /* used for faster screen clearing */\r
+ word CRTParms[] = {\r
+// 0xe300, /* horizontal total */\r
+ 0x4f01, /* horizontal display enable end */\r
+ 0x5002, /* */\r
+ 0x5404, /* */\r
+ 0x8005, /* */\r
+ 0x0d06, /* vertical total */\r
+ 0x3e07, /* overflow (bit 8 of vertical counts) */\r
+ 0x4109, /* cell height (2 to double-scan */\r
+ 0xea10, /* v sync start */\r
+ 0xac11, /* v sync end and protect cr0-cr7 */\r
+ 0xdf12, /* vertical displayed */\r
+ 0x2813, /* offset/logical width */\r
+ 0x0014, /* turn off dword mode */\r
+ 0xe715, /* v blank start */\r
+ 0x0616, /* v blank end */\r
+ 0xe317 /* turn on byte mode */\r
+ };\r
+\r
+ int CRTParmCount = sizeof(CRTParms) / sizeof(CRTParms[0]);\r
+ /* width and height */\r
+ //TODO WWWW\r
+\r
+ /* disable chain4 mode */\r
+ outpw(SC_INDEX, 0x0604);\r
+\r
+ /* synchronous reset while setting Misc Output */\r
+ outpw(SC_INDEX, 0x0100);\r
+\r
+ /* select 25 MHz dot clock & 60 Hz scanning rate */\r
+ outp(MISC_OUTPUT, 0xe3);\r
+\r
+ /* undo reset (restart sequencer) */\r
+ outpw(SC_INDEX, 0x0300);\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
+ /* send the CRTParms */\r
+ for(i=0; i<CRTParmCount; i++) {\r
+ outpw(CRTC_INDEX, CRTParms[i]);\r
+ }\r
\r
- /* clear video memory */\r
- outpw(SC_INDEX, 0x0f02);\r
- for(i=0; i<0x8000; i++) {\r
- ptr[i] = 0x0000;\r
- }\r
+ /* clear video memory */\r
+ outpw(SC_INDEX, 0x0f02);\r
+ for(i=0; i<0x8000; i++) {\r
+ ptr[i] = 0x0000;\r
+ }\r
}\r
\r
+// setBaseXMode() does the initialization to make the VGA ready to\r
+// accept any combination of configuration register settings. This\r
+// involves enabling writes to index 0 to 7 of the CRT controller (port\r
+// 0x3D4), by clearing the most significant bit (bit 7) of index 0x11.\r
+void\r
+modexsetBaseXMode(void)\r
+{\r
+ int temp;\r
+\r
+ /* TODO save current video mode and palette */\r
+ vgaSetMode(VGA_256_COLOR_MODE);\r
+\r
+ outp(CRTC_INDEX, 0x11);\r
+ temp = inp(CRTC_DATA) & 0x7F;\r
+ outp(CRTC_INDEX, 0x11);\r
+ outp(CRTC_DATA, temp);\r
+}\r
\r
void\r
modexLeave() {\r
page.dy = 0;\r
page.width = SCREEN_WIDTH;\r
page.height = SCREEN_HEIGHT;\r
+ page.tw = page.width/TILEWH;\r
+ page.th = page.height/TILEWH;\r
+ page.id = 0;\r
\r
return page;\r
}\r
modexNextPage(page_t *p) {\r
page_t result;\r
\r
- result.data = p->data + (p->width/4)*p->height; /* compute the offset */\r
+ result.data = p->data + (p->width/4)*p->height;\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.id = p->id+1;\r
\r
- return result;\r
+ return result;\r
+// return modexNextPageFlexibleSize(&p, p->width, p->height);\r
+}\r
+\r
+//next page with defined dimentions~\r
+page_t\r
+modexNextPageFlexibleSize(page_t *p, word x, word y)\r
+{\r
+ page_t result;\r
+\r
+ result.data = p->data + (p->width/4)*p->height; /* 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.id = p->id+1;\r
+\r
+ return result;\r
}\r
\r
\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
}\r
\r
__asm {\r
- MOV AX, SCREEN_SEG ; go to the VGA memory\r
- MOV ES, AX\r
- MOV DI, poffset ; go to the first pixel\r
- MOV DX, SC_INDEX ; point to the map mask\r
- MOV AL, MAP_MASK\r
- OUT DX, AL\r
- INC DX\r
- MOV AL, color ; get ready to write colors\r
- SCAN_START:\r
- MOV CX, scanCount ; count the line\r
- MOV BL, AL ; remember color\r
- MOV AL, left ; do the left clip\r
- OUT DX, AL ; set the left clip\r
- MOV AL, BL ; restore color\r
- STOSB ; write the color\r
- DEC CX\r
- JZ SCAN_DONE ; handle 1 group stuff\r
-\r
- ;-- write the main body of the scanline\r
- MOV BL, AL ; remember color\r
- MOV AL, 0x0f ; write to all pixels\r
- OUT DX, AL\r
- MOV AL, BL ; restore color\r
- REP STOSB ; write the color\r
- SCAN_DONE:\r
- MOV BL, AL ; remeber color\r
- MOV AL, right\r
- OUT DX, AL ; do the right clip\r
- MOV AL, BL ; restore color\r
- STOSB ; write pixel\r
- ADD DI, nextRow ; go to the next row\r
- DEC h\r
- JNZ SCAN_START\r
+ MOV AX, SCREEN_SEG ; go to the VGA memory\r
+ MOV ES, AX\r
+ MOV DI, poffset ; go to the first pixel\r
+ MOV DX, SC_INDEX ; point to the map mask\r
+ MOV AL, MAP_MASK\r
+ OUT DX, AL\r
+ INC DX\r
+ MOV AL, color ; get ready to write colors\r
+ SCAN_START:\r
+ MOV CX, scanCount ; count the line\r
+ MOV BL, AL ; remember color\r
+ MOV AL, left ; do the left clip\r
+ OUT DX, AL ; set the left clip\r
+ MOV AL, BL ; restore color\r
+ STOSB ; write the color\r
+ DEC CX\r
+ JZ SCAN_DONE ; handle 1 group stuff\r
+\r
+ ;-- write the main body of the scanline\r
+ MOV BL, AL ; remember color\r
+ MOV AL, 0x0f ; write to all pixels\r
+ OUT DX, AL\r
+ MOV AL, BL ; restore color\r
+ REP STOSB ; write the color\r
+ SCAN_DONE:\r
+ MOV BL, AL ; remeber color\r
+ MOV AL, right\r
+ OUT DX, AL ; do the right clip\r
+ MOV AL, BL ; restore color\r
+ STOSB ; write pixel\r
+ ADD DI, nextRow ; go to the next row\r
+ DEC h\r
+ JNZ SCAN_START\r
}\r
}\r
\r
\r
+void\r
+oldDrawBmp(byte far* page, int x, int y, bitmap_t *bmp, byte sprite)\r
+{\r
+ byte plane;\r
+ word px, py;\r
+ word offset;\r
+\r
+ /* TODO Make this fast. It's SLOOOOOOW */\r
+ for(plane=0; plane < 4; plane++) {\r
+ modexSelectPlane(PLANE(plane+x));\r
+ for(px = plane; px < bmp->width; px+=4) {\r
+ offset=px;\r
+ for(py=0; py<bmp->height; py++) {\r
+ if(!sprite || bmp->data[offset])\r
+ page[PAGE_OFFSET(x+px, y+py)] = bmp->data[offset];\r
+ offset+=bmp->width;\r
+ }\r
+ }\r
+ }\r
+}\r
+\r
+void\r
+CDrawBmp(byte far* vgamem, page_t* page, int x, int y, bitmap_t *bmp, byte sprite)\r
+{\r
+ byte plane;\r
+ word px, py;\r
+ word offset=0;\r
+\r
+\r
+ /* TODO Make this fast. It's SLOOOOOOW */\r
+ for(plane=0; plane < 4; plane++) {\r
+ modexSelectPlane(PLANE(plane+x));\r
+ for(px = plane; px < bmp->width; px+=4) {\r
+ offset=px;\r
+ for(py=0; py<bmp->height; py++) {\r
+ if(!sprite || bmp->data[offset])\r
+ //modexputPixel(page, x+px, y+py, bmp->data[offset]);\r
+ vgamem[PAGE_OFFSET(x+px, y+py)] = bmp->data[offset];\r
+ offset+=bmp->width;\r
+ }\r
+ }\r
+ }\r
+}\r
+\r
void\r
modexDrawBmp(page_t *page, int x, int y, bitmap_t *bmp) {\r
/* draw the region (the entire freakin bitmap) */\r
modexDrawBmpRegion(page_t *page, int x, int y,\r
int rx, int ry, int rw, int rh, bitmap_t *bmp) {\r
word poffset = (word) page->data + y*(page->width/4) + x/4;\r
- byte *data = bmp->data;\r
+ byte far *data = bmp->data;//+bmp->offset;\r
word bmpOffset = (word) data + ry * bmp->width + rx;\r
word width = rw;\r
word height = rh;\r
word rowCounter;\r
byte planeCounter = 4;\r
\r
- //code is a bit slow here\r
+/* printf("bmp->data=%Fp\n",bmp->data);\r
+ printf("*bmp->data=%Fp\n",*(bmp->data));\r
+ printf("&bmp->data=%Fp\n",&(bmp->data));*/\r
+\r
+ //code is a bit slow here\r
__asm {\r
- MOV AX, SCREEN_SEG ; go to the VGA memory\r
- MOV ES, AX\r
-\r
- MOV DX, SC_INDEX ; point at the map mask register\r
- MOV AL, MAP_MASK ;\r
- OUT DX, AL ;\r
-\r
- PLANE_LOOP:\r
- MOV DX, SC_DATA ; select the current plane\r
- MOV AL, plane ;\r
- OUT DX, AL ;\r
-\r
- ;-- begin plane painting\r
- MOV AX, height ; start the row counter\r
- MOV rowCounter, AX ; \r
- MOV DI, poffset ; go to the first pixel\r
- MOV SI, bmpOffset ; go to the bmp pixel\r
- ROW_LOOP:\r
- MOV CX, width ; count the columns\r
- SCAN_LOOP:\r
- MOVSB ; copy the pixel\r
- SUB CX, 3 ; we skip the next 3\r
- ADD SI, 3 ; skip the bmp pixels\r
- LOOP SCAN_LOOP ; finish the scan\r
-\r
- MOV AX, nextPageRow\r
- ADD DI, AX ; go to the next row on screen\r
- MOV AX, nextBmpRow\r
- ADD SI, AX ; go to the next row on bmp\r
-\r
- DEC rowCounter\r
- JNZ ROW_LOOP ; do all the rows\r
- ;-- end plane painting\r
-\r
- MOV AL, plane ; advance to the next plane\r
- SHL AL, 1 ;\r
- AND AL, 0x0f ; mask the plane properly\r
- MOV plane, AL ; store the plane\r
-\r
- INC bmpOffset ; start bmp at the right spot\r
-\r
- DEC planeCounter\r
- JNZ PLANE_LOOP ; do all 4 planes\r
+ MOV AX, SCREEN_SEG ; go to the VGA memory\r
+ MOV ES, AX\r
+\r
+ MOV DX, SC_INDEX ; point at the map mask register\r
+ MOV AL, MAP_MASK ;\r
+ OUT DX, AL ;\r
+\r
+ PLANE_LOOP:\r
+ MOV DX, SC_DATA ; select the current plane\r
+ MOV AL, plane ;\r
+ OUT DX, AL ;\r
+\r
+ ;-- begin plane painting\r
+ MOV AX, height ; start the row counter\r
+ MOV rowCounter, AX ;\r
+ MOV DI, poffset ; go to the first pixel\r
+ MOV SI, bmpOffset ; go to the bmp pixel\r
+ ROW_LOOP:\r
+ MOV CX, width ; count the columns\r
+ SCAN_LOOP:\r
+ MOVSB ; copy the pixel\r
+ SUB CX, 3 ; we skip the next 3\r
+ ADD SI, 3 ; skip the bmp pixels\r
+ LOOP SCAN_LOOP ; finish the scan\r
+\r
+ MOV AX, nextPageRow\r
+ ADD DI, AX ; go to the next row on screen\r
+ MOV AX, nextBmpRow\r
+ ADD SI, AX ; go to the next row on bmp\r
+\r
+ DEC rowCounter\r
+ JNZ ROW_LOOP ; do all the rows\r
+ ;-- end plane painting\r
+\r
+ MOV AL, plane ; advance to the next plane\r
+ SHL AL, 1 ;\r
+ AND AL, 0x0f ; mask the plane properly\r
+ MOV plane, AL ; store the plane\r
+\r
+ INC bmpOffset ; start bmp at the right spot\r
+\r
+ DEC planeCounter\r
+ JNZ PLANE_LOOP ; do all 4 planes\r
}\r
}\r
\r
+void\r
+modex_sparky4_DrawBmpRegion(page_t *page, int x, int y,\r
+ int rx, int ry, int rw, int rh, bitmap_t *bmp) {\r
+ word poffset = (word) page->data + y*(page->width/4) + x/4;\r
+ byte far *data = bmp->data;//+bmp->offset;\r
+ word bmpOffset = (word) data + ry * bmp->width + rx;\r
+ word width = rw;\r
+ word height = rh;\r
+ byte plane = 1 << ((byte) x & 0x03);\r
+ word scanCount = width/4 + (width%4 ? 1 :0);\r
+ word nextPageRow = page->width/4 - scanCount;\r
+ word nextBmpRow = (word) bmp->width - width;\r
+ word rowCounter;\r
+ byte planeCounter = 4;\r
+\r
+/* printf("bmp->data=%Fp\n",bmp->data);\r
+ printf("*bmp->data=%Fp\n",*(bmp->data));\r
+ printf("&bmp->data=%Fp\n",&(bmp->data));*/\r
+\r
+ //code is a bit slow here\r
+ __asm {\r
+ MOV AX, SCREEN_SEG ; go to the VGA memory\r
+ MOV ES, AX\r
+\r
+ MOV DX, SC_INDEX ; point at the map mask register\r
+ MOV AL, MAP_MASK ;\r
+ OUT DX, AL ;\r
+\r
+ PLANE_LOOP:\r
+ MOV DX, SC_DATA ; select the current plane\r
+ MOV AL, plane ;\r
+ OUT DX, AL ;\r
+\r
+ ;-- begin plane painting\r
+ MOV AX, height ; start the row counter\r
+ MOV rowCounter, AX ;\r
+ MOV DI, poffset ; go to the first pixel\r
+ MOV SI, bmpOffset ; go to the bmp pixel\r
+ ROW_LOOP:\r
+ MOV CX, width ; count the columns\r
+ SCAN_LOOP:\r
+ MOVSB ; copy the pixel\r
+ SUB CX, 3 ; we skip the next 3\r
+ ADD SI, 3 ; skip the bmp pixels\r
+ LOOP SCAN_LOOP ; finish the scan\r
+\r
+ MOV AX, nextPageRow\r
+ ADD DI, AX ; go to the next row on screen\r
+ MOV AX, nextBmpRow\r
+ ADD SI, AX ; go to the next row on bmp\r
+\r
+ DEC rowCounter\r
+ JNZ ROW_LOOP ; do all the rows\r
+ ;-- end plane painting\r
+\r
+ MOV AL, plane ; advance to the next plane\r
+ SHL AL, 1 ;\r
+ AND AL, 0x0f ; mask the plane properly\r
+ MOV plane, AL ; store the plane\r
+\r
+ INC bmpOffset ; start bmp at the right spot\r
+\r
+ DEC planeCounter\r
+ JNZ PLANE_LOOP ; do all 4 planes\r
+ }\r
+}\r
\r
void\r
modexDrawPlanarBuf(page_t *page, int x, int y, planar_buf_t *bmp) {\r
- /* TODO - adapt from test code */
- int plane;
- for(plane=0; plane < 4; plane++)
- {
- //fack
- }\r
+ /* TODO - adapt from test code */\r
+ int plane;\r
+ for(plane=0; plane < 4; plane++)\r
+ {\r
+ //fack\r
+ }\r
}\r
\r
\r
\r
void\r
modexDrawSpriteRegion(page_t *page, int x, int y,\r
- int rx, int ry, int rw, int rh, bitmap_t *bmp) {\r
+ int rx, int ry, int rw, int rh, bitmap_t *bmp) {\r
word poffset = (word)page->data + y*(page->width/4) + x/4;\r
- byte *data = bmp->data;\r
+ byte *data = bmp->data;//+bmp->offset;\r
word bmpOffset = (word) data + ry * bmp->width + rx;\r
word width = rw;\r
word height = rh;\r
byte planeCounter = 4;\r
\r
__asm {\r
- MOV AX, SCREEN_SEG ; go to the VGA memory\r
- MOV ES, AX\r
-\r
- MOV DX, SC_INDEX ; point at the map mask register\r
- MOV AL, MAP_MASK ;\r
- OUT DX, AL ;\r
-\r
- PLANE_LOOP:\r
- MOV DX, SC_DATA ; select the current plane\r
- MOV AL, plane ;\r
- OUT DX, AL ;\r
-\r
- ;-- begin plane painting\r
- MOV AX, height ; start the row counter\r
- MOV rowCounter, AX ; \r
- MOV DI, poffset ; go to the first pixel\r
- MOV SI, bmpOffset ; go to the bmp pixel\r
- ROW_LOOP:\r
- MOV CX, width ; count the columns\r
- SCAN_LOOP:\r
- LODSB\r
- DEC SI\r
- CMP AL, 0\r
- JNE DRAW_PIXEL ; draw non-zero pixels\r
-\r
- INC DI ; skip the transparent pixel\r
- ADD SI, 1\r
- JMP NEXT_PIXEL\r
- DRAW_PIXEL:\r
- MOVSB ; copy the pixel\r
- NEXT_PIXEL:\r
- SUB CX, 3 ; we skip the next 3\r
- ADD SI, 3 ; skip the bmp pixels\r
- LOOP SCAN_LOOP ; finish the scan\r
-\r
- MOV AX, nextPageRow\r
- ADD DI, AX ; go to the next row on screen\r
- MOV AX, nextBmpRow\r
- ADD SI, AX ; go to the next row on bmp\r
-\r
- DEC rowCounter\r
- JNZ ROW_LOOP ; do all the rows\r
- ;-- end plane painting\r
-\r
- MOV AL, plane ; advance to the next plane\r
- SHL AL, 1 ;\r
- AND AL, 0x0f ; mask the plane properly\r
- MOV plane, AL ; store the plane\r
-\r
- INC bmpOffset ; start bmp at the right spot\r
-\r
- DEC planeCounter\r
- JNZ PLANE_LOOP ; do all 4 planes\r
+ MOV AX, SCREEN_SEG ; go to the VGA memory\r
+ MOV ES, AX\r
+\r
+ MOV DX, SC_INDEX ; point at the map mask register\r
+ MOV AL, MAP_MASK ;\r
+ OUT DX, AL ;\r
+\r
+ PLANE_LOOP:\r
+ MOV DX, SC_DATA ; select the current plane\r
+ MOV AL, plane ;\r
+ OUT DX, AL ;\r
+\r
+ ;-- begin plane painting\r
+ MOV AX, height ; start the row counter\r
+ MOV rowCounter, AX ;\r
+ MOV DI, poffset ; go to the first pixel\r
+ MOV SI, bmpOffset ; go to the bmp pixel\r
+ ROW_LOOP:\r
+ MOV CX, width ; count the columns\r
+ SCAN_LOOP:\r
+ LODSB\r
+ DEC SI\r
+ CMP AL, 0\r
+ JNE DRAW_PIXEL ; draw non-zero pixels\r
+\r
+ INC DI ; skip the transparent pixel\r
+ ADD SI, 1\r
+ JMP NEXT_PIXEL\r
+ DRAW_PIXEL:\r
+ MOVSB ; copy the pixel\r
+ NEXT_PIXEL:\r
+ SUB CX, 3 ; we skip the next 3\r
+ ADD SI, 3 ; skip the bmp pixels\r
+ LOOP SCAN_LOOP ; finish the scan\r
+\r
+ MOV AX, nextPageRow\r
+ ADD DI, AX ; go to the next row on screen\r
+ MOV AX, nextBmpRow\r
+ ADD SI, AX ; go to the next row on bmp\r
+\r
+ DEC rowCounter\r
+ JNZ ROW_LOOP ; do all the rows\r
+ ;-- end plane painting\r
+\r
+ MOV AL, plane ; advance to the next plane\r
+ SHL AL, 1 ;\r
+ AND AL, 0x0f ; mask the plane properly\r
+ MOV plane, AL ; store the plane\r
+\r
+ INC bmpOffset ; start bmp at the right spot\r
+\r
+ DEC planeCounter\r
+ JNZ PLANE_LOOP ; do all 4 planes\r
}\r
}\r
\r
*/\r
void\r
modexCopyPageRegion(page_t *dest, page_t *src,\r
- word sx, word sy,\r
- word dx, word dy,\r
- word width, word height)\r
+ word sx, word sy,\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
byte right = rclip[(sx+width)&0x03];\r
\r
__asm {\r
- MOV AX, SCREEN_SEG ; work in the vga space\r
- MOV ES, AX ;\r
- MOV DI, doffset ;\r
- MOV SI, soffset ;\r
-\r
- MOV DX, GC_INDEX ; turn off cpu bits\r
- MOV AX, 0008h ;\r
- OUT DX, AX\r
-\r
- MOV AX, SC_INDEX ; point to the mask register\r
- MOV DX, AX ;\r
- MOV AL, MAP_MASK ;\r
- OUT DX, AL ;\r
- INC DX ;\r
-\r
- ROW_START:\r
- PUSH DS\r
- MOV AX, ES\r
- MOV DS, AX\r
- MOV CX, scans ; the number of latches\r
-\r
- MOV AL, left ; do the left column\r
- OUT DX, AL ;\r
- MOVSB ;\r
- DEC CX ;\r
-\r
- MOV AL, 0fh ; do the inner columns\r
- OUT DX, AL\r
- REP MOVSB ; copy the pixels\r
-\r
- MOV AL, right ; do the right column\r
- OUT DX, AL\r
- MOVSB\r
- POP DS\r
-\r
- MOV AX, SI ; go the start of the next row\r
- ADD AX, nextSrcRow ;\r
- MOV SI, AX ;\r
- MOV AX, DI ;\r
- ADD AX, nextDestRow ;\r
- MOV DI, AX ;\r
-\r
- DEC height ; do the rest of the actions\r
- JNZ ROW_START ;\r
-\r
- MOV DX, GC_INDEX+1 ; go back to CPU data\r
- MOV AL, 0ffh ; none from latches\r
- OUT DX, AL ;\r
+ MOV AX, SCREEN_SEG ; work in the vga space\r
+ MOV ES, AX ;\r
+ MOV DI, doffset ;\r
+ MOV SI, soffset ;\r
+\r
+ MOV DX, GC_INDEX ; turn off cpu bits\r
+ MOV AX, 0008h ;\r
+ OUT DX, AX\r
+\r
+ MOV AX, SC_INDEX ; point to the mask register\r
+ MOV DX, AX ;\r
+ MOV AL, MAP_MASK ;\r
+ OUT DX, AL ;\r
+ INC DX ;\r
+\r
+ ROW_START:\r
+ PUSH DS\r
+ MOV AX, ES\r
+ MOV DS, AX\r
+ MOV CX, scans ; the number of latches\r
+\r
+ MOV AL, left ; do the left column\r
+ OUT DX, AL ;\r
+ MOVSB ;\r
+ DEC CX ;\r
+\r
+ MOV AL, 0fh ; do the inner columns\r
+ OUT DX, AL\r
+ REP MOVSB ; copy the pixels\r
+\r
+ MOV AL, right ; do the right column\r
+ OUT DX, AL\r
+ MOVSB\r
+ POP DS\r
+\r
+ MOV AX, SI ; go the start of the next row\r
+ ADD AX, nextSrcRow ;\r
+ MOV SI, AX ;\r
+ MOV AX, DI ;\r
+ ADD AX, nextDestRow ;\r
+ MOV DI, AX ;\r
+\r
+ DEC height ; do the rest of the actions\r
+ JNZ ROW_START ;\r
+\r
+ MOV DX, GC_INDEX+1 ; go back to CPU data\r
+ MOV AL, 0ffh ; none from latches\r
+ OUT DX, AL ;\r
}\r
}\r
\r
\r
/* handle the case where we just update */\r
if(iter == 0) {\r
- modexPalUpdate(palette);\r
- return;\r
+ modexPalUpdate1(palette);\r
+ return;\r
}\r
\r
while(iter > 0) { /* FadeLoop */\r
- for(i=0; i<PAL_SIZE; i++) { /* loadpal_loop */\r
- tmppal[i] = palette[i] - dim;\r
- if(tmppal[i] > 127) {\r
- tmppal[i] = 0;\r
- } else if(tmppal[i] > 63) {\r
- tmppal[i] = 63;\r
- }\r
- }\r
- modexPalUpdate(tmppal);\r
- iter--;\r
- dim += fade;\r
+
for(i=0; i<PAL_SIZE; i++) { /* loadpal_loop */
\r+ tmppal[i] = palette[i] - dim;\r
+ if(tmppal[i] > 127) {\r
+ tmppal[i] = 0;\r
+ } else if(tmppal[i] > 63) {\r
+ tmppal[i] = 63;\r
+ }\r
+ }\r
+ modexPalUpdate1(tmppal);\r
+ iter--;\r
+ dim += fade;\r
}\r
}\r
\r
modexPalSave(byte *palette) {\r
int i;\r
\r
- outp(PAL_READ_REG, 0); /* start at palette entry 0 */\r
+ outp(PAL_READ_REG, 0); /* start at palette entry 0 */\r
for(i=0; i<PAL_SIZE; i++) {\r
- palette[i] = inp(PAL_DATA_REG); /* read the palette data */\r
+ palette[i] = inp(PAL_DATA_REG); /* read the palette data */\r
}\r
}\r
\r
\r
/* handle errors */\r
if(!ptr) {\r
- printf("Could not allocate palette.\n");\r
- exit(-1);\r
+ printf("Could not allocate palette.\n");\r
+ exit(-1);\r
}\r
\r
return ptr;\r
\r
/* free the palette if it exists */\r
if(*palette) {\r
- free(*palette);\r
+ free(*palette);\r
}\r
\r
/* allocate the new palette */\r
/* open the file */\r
file = fopen(filename, "rb");\r
if(!file) {\r
- printf("Could not open palette file: %s\n", filename);\r
- exit(-2);\r
+ printf("Could not open palette file: %s\n", filename);\r
+ exit(-2);\r
}\r
\r
/* read the file */\r
ptr = *palette;\r
while(!feof(file)) {\r
- *ptr++ = fgetc(file);\r
+ *ptr++ = fgetc(file);\r
}\r
\r
fclose(file);\r
/* open the file for writing */\r
file = fopen(filename, "wb");\r
if(!file) {\r
- printf("Could not open %s for writing\n", filename);\r
- exit(-2);\r
+ printf("Could not open %s for writing\n", filename);\r
+ exit(-2);\r
}\r
\r
/* write the data to the file */\r
\r
/* utility */\r
void\r
-modexPalUpdate(byte *p) {\r
- int i;\r
- modexWaitBorder();\r
- outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */\r
- for(i=0; i<PAL_SIZE/2; i++) {\r
- outp(PAL_DATA_REG, p[i]);\r
- }\r
- modexWaitBorder(); /* waits one retrace -- less flicker */\r
- for(i=PAL_SIZE/2; i<PAL_SIZE; i++) {\r
- outp(PAL_DATA_REG, p[i]);\r
- }\r
+modexPalUpdate(bitmap_t *bmp, word *i, word qp, word aqoffset)\r
+{\r
+ byte *p = bmp->palette;\r
+ word w=0;\r
+ word q=0;\r
+ word qq=0;\r
+ static word a[PAL_SIZE]; //palette array of change values!\r
+ word z=0, aq=0, aa=0, pp=0;\r
+\r
+ modexWaitBorder();\r
+ if((*i)==0)\r
+ {\r
+ memset(a, -1, sizeof(a));\r
+ outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */\r
+ }\r
+ else if(qp==0)\r
+ {\r
+ q=(*i);\r
+ }\r
+ else\r
+ {\r
+ q=(*i);\r
+ qq=(*i)/3;\r
+// printf("q: %02d\n", (q));\r
+// printf("qq: %02d\n", (qq));\r
+ //printf(" (*i)-q=%02d\n", (*i)-q);\r
+ outp(PAL_WRITE_REG, qq); /* start at the beginning of palette */\r
+ }\r
+ if((*i)<PAL_SIZE/2 && w==0)\r
+ {\r
+ for(; (*i)<PAL_SIZE/2; (*i)++)\r
+ {\r
+ //if(i%3==0 && (p[i+5]==p[i+4] && p[i+4]==p[i+3] && p[i+3]==p[i+2] && p[i+2]==p[i+1] && p[i+1]==p[i] && p[i+5]==p[i]))\r
+//____ if((qp>0)&&((*i)-q)%3==0 && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5])) outp(PAL_DATA_REG, p[(*i)-q]); else\r
+ if(((((*i)-q)%3==0)) && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5]))\r
+ {\r
+ w++;\r
+ break;\r
+ }\r
+ else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3))\r
+ {\r
+ //printf("qp=%d\n", qp);\r
+ //printf(" (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]);\r
+ printf(" %d's color=%d\n", (*i), (a[qp])-(bmp->offset*3)+qp);\r
+ //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit!\r
+ if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; }\r
+ }\r
+ else\r
+ {\r
+ if(bmp->offset==0 && (*i)<3 && q==0) outp(PAL_DATA_REG, 0);\r
+ else\r
+ if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]);\r
+ else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]);\r
+ printf("p[]=%d qp=%d p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); }\r
+ }\r
+ }\r
+ //if(qp>0) printf("qp=%d\n", qp);\r
+ //if(qp>0) printf(" (*i)=%d\n", (*i)/3);\r
+ }\r
+ modexWaitBorder(); /* waits one retrace -- less flicker */\r
+ if((*i)>=PAL_SIZE/2 && w==0)\r
+ {\r
+ for(; (*i)<PAL_SIZE; (*i)++)\r
+ {\r
+//____ if((qp>0)&&((*i)-q)%3==0 && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5])) outp(PAL_DATA_REG, p[(*i)-q]); else\r
+ if(((((*i)-q)%3==0)) && (p[((*i)-q)]==p[((*i)-q)+3] && p[((*i)-q)+1]==p[((*i)-q)+4] && p[((*i)-q)+2]==p[((*i)-q)+5]))\r
+ {\r
+ w++;\r
+ break;\r
+ }\r
+ else if(qp>0 && (*i)>=(qp) && (*i)<((qp)+3))\r
+ {\r
+ //printf("qp=%d\n", qp);\r
+ //printf(" (*i)=%d a[%d]=%d\n", (*i), qp, a[qp]);\r
+ printf(" %d's color=%d\n", (*i), (a[qp]-(bmp->offset*3)+qp));\r
+ //outp(PAL_DATA_REG, p[((a[qp])-(bmp->offset*3)+qp)]);// fix this shit!\r
+ if((*i)+1==(qp)+3){ w++; /*(*i)++;*/ break; }\r
+ }\r
+ else\r
+ {\r
+ if(qp==0) outp(PAL_DATA_REG, p[(*i)-q]);\r
+ else{ //outp(PAL_DATA_REG, p[((*i)-(bmp->offset*3)+qp)]);\r
+ printf("p[]=%d qp=%d p[]-qp=%d\n", ((*i)-(bmp->offset*3)), qp, ((*i)-(bmp->offset*3))+qp); }\r
+ }\r
+ }\r
+ //printf(" (*i)=%d\n", (*i)/3);\r
+ }\r
+\r
+printf("\nqqqqqqqq\n\n");\r
+\r
+ //palette checker~\r
+ if(q>0 && qp==0)\r
+ {\r
+ long lq;\r
+ long bufSize = (bmp->width * bmp->height);\r
+ pp = q;\r
+ //printf("1(*i)=%02d\n", (*i)/3);\r
+ //printf("1z=%02d\n", z/3);\r
+ chkcolor(bmp, &q, &a, &aa, &z, i);\r
+ //printf("2(*i)=%02d\n", (*i)/3);\r
+ //printf("2z=%02d\n", z/3);\r
+ aq=0;\r
+aqpee:\r
+ while(aq<=aa)\r
+ {\r
+// printf("a[%02d]=(%d)\n", aq, a[aq]);\r
+ if(a[aq]==-1) aq++;\r
+ else { aqoffset++; break; }\r
+ }\r
+//update the image data here!\r
+ for(lq=0; lq<bufSize; lq++)\r
+ {\r
+ /*\r
+ note to self\r
+ use a[qp] instead of bmp->offset for this spot!\r
+ NO! wwww\r
+ */\r
+\r
+ /*\r
+ Facking bloody point the values of the changed palette to correct values.... major confusion! wwww\r
+ */\r
+\r
+ //(offset/bmp->offset)*bmp->offset\r
+\r
+\r
+ //printf("%02d ",bmp->data[lq]+bmp->offset);\r
+ //if(lq > 0 && lq%bmp->width==0) printf("\n");\r
+ //printf("%02d_", bmp->data[lq]+bmp->offset);\r
+ /*if(bmp->data[lq]+bmp->offset==aq)\r
+ {\r
+ //printf("%02d", bmp->data[lq]);\r
+ //printf("\n%02d\n", bmp->offset);\r
+ printf("aq=%02d ", aq);\r
+ printf("a[aq]=%02d ", a[aq]);\r
+ printf("a[aq]+aqpp=%02d ", a[aq]+aqpp);\r
+ printf("a[aq]-aqpp=%02d\n", a[aq]-aqpp);\r
+ //bmp->data[lq]=((bmp->data[lq]+bmp->offset)-a[aq]);\r
+//++++ bmp->data[lq]=a[aq]-aqpp;\r
+// printf("_%d ", bmp->data[lq]);\r
+ //if(lq > 0 && lq%bmp->width==0) printf("\n");\r
+ }\r
+ else if(bmp->data[lq]+bmp->offset < ((*i)/3)-aqpp)\r
+ {\r
+ if(bmp->data[lq]+bmp->offset >= aq)\r
+ {\r
+ bmp->data[lq]=(bmp->data[lq]+bmp->offset)-aqpp;//-((z-(*i))/3);\r
+ //printf("_%d ", bmp->data[lq]+bmp->offset)-aqpp-((z-(*i))/3);\r
+ }\r
+ else bmp->data[lq]+=(bmp->offset-aqpp);\r
+ }*/\r
+\r
+ //printf("%02d`", bmp->data[lq]);\r
+ //if(lq > 0 && lq%bmp->width==0) printf("\n");\r
+ }\r
+\r
+//printf(" aq=%02d\n", aq);\r
+//printf(" aa=%02d\n", aa);\r
+\r
+ //update the palette~\r
+ modexPalUpdate(bmp, &pp, aq, aqoffset);\r
+ (*i)=pp;\r
+\r
+ if(aq<aa){ pp=q; aq++; goto aqpee; }\r
+ }\r
+}\r
+\r
+void\r
+modexPalUpdate1(byte *p)\r
+{\r
+ int i;\r
+ modexWaitBorder();\r
+ outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */\r
+ for(i=0; i<PAL_SIZE/2; i++)\r
+ {\r
+ outp(PAL_DATA_REG, p[i]);\r
+ }\r
+ modexWaitBorder(); /* waits one retrace -- less flicker */\r
+ for(; i<PAL_SIZE; i++)\r
+ {\r
+ outp(PAL_DATA_REG, p[(i)]);\r
+ }\r
+}\r
+\r
+void\r
+modexPalUpdate0(byte *p)\r
+{\r
+ int i;\r
+ modexWaitBorder();\r
+ outp(PAL_WRITE_REG, 0); /* start at the beginning of palette */\r
+ for(i=0; i<PAL_SIZE/2; i++)\r
+ {\r
+ outp(PAL_DATA_REG, rand());\r
+ }\r
+ modexWaitBorder(); /* waits one retrace -- less flicker */\r
+ for(; i<PAL_SIZE; i++)\r
+ {\r
+ outp(PAL_DATA_REG, rand());\r
+ }\r
}\r
\r
+//color checker~\r
+//i want to make another vesion that checks the palette when the palette is being appened~\r
+void chkcolor(bitmap_t *bmp, word *q, word *a, word *aa, word *z, word *i/*, word *offset*/)\r
+{\r
+ byte *pal;\r
+ word zz=0;\r
+ pal = modexNewPal();\r
+ modexPalSave(pal);\r
+ //printf("q: %02d\n", (*q));\r
+ printf("chkcolor start~\n");\r
+ printf("1 (*z): %d\n", (*z)/3);\r
+ printf("1 (*i): %d\n", (*i)/3);\r
+// printf("1 offset of color in palette (*q): %d\n", (*q)/3);\r
+ printf("wwwwwwwwwwwwwwww\n");\r
+ //check palette for dups\r
+ for(; (*z)<PAL_SIZE; (*z)+=3)\r
+ {\r
+ //printf("\n z: %d\n", (*z));\r
+ //printf(" q: %d\n", (*q));\r
+ //printf(" z+q: %d\n\n", ((*z)+(*q)));\r
+ //if((*z)%3==0)\r
+ //{\r
+//---- if(pal[(*z)]==pal[(*z)+3] && pal[(*z)+1]==pal[(*z)+4] && pal[(*z)+2]==pal[(*z)+5])\r
+ if((*z)==(*i))\r
+ {\r
+// printf("\n%d [%02d][%02d][%02d]\n", (*z), pal[(*z)], pal[(*z)+1], pal[(*z)+2]);\r
+// printf("%d [%02d][%02d][%02d]\n\n", (*z)+3, pal[(*z)+3], pal[(*z)+4], pal[(*z)+5]);\r
+//0000 (*z)-=3;\r
+ break;\r
+ }\r
+ else for(zz=0; zz<(*q); zz+=3)\r
+ {\r
+ //printf("zz: %02d\n", zz/3);\r
+ if(zz%3==0)\r
+ {\r
+ if(pal[((*z)+(*q))]==pal[((*z)+(*q))+3] && pal[((*z)+(*q))+1]==pal[((*z)+(*q))+4] && pal[((*z)+(*q))+2]==pal[((*z)+(*q))+5]) //break if duplicate colors found in palette because it have reached the end of the current data of the palette\r
+ {\r
+// (*z)-=3;\r
+// (*i)-=3;\r
+// printf("\nzq1:%d[%02d][%02d][%02d]\n", (zz+q), pal[(zz+q)], pal[(zz+q)+1], pal[(zz+q)+2]);\r
+// printf("zq2:%d[%02d][%02d][%02d]\n\n", (zz+q)+3, pal[(zz+q)+3], pal[(zz+q)+4], pal[(zz+q)+5]);\r
+ break;\r
+ }\r
+ else if(pal[zz]==pal[((*z)+(*q))] && pal[zz+1]==pal[((*z)+(*q))+1] && pal[zz+2]==pal[((*z)+(*q))+2])\r
+ {\r
+// printf("\n\nwwwwwwwwwwwwwwww\n");\r
+// printf(" zq: %d [%02d][%02d][%02d] value that is needing to be changed~\n", ((*z)+(*q))/3, pal[((*z)+(*q))], pal[((*z)+(*q))+1], pal[((*z)+(*q))+2]);\r
+// printf(" zz: %d [%02d][%02d][%02d] value that the previous value is going to change to~\n", (zz)/3, pal[zz], pal[zz+1], pal[zz+2]);\r
+// //printf(" zv: %d [%02d][%02d][%02d] wwww\n", (zz-z+q)/3, pal[(zz-z+q)], pal[(zz-z+q)+1], pal[(zz-z+q)+2]);\r
+// printf(" z : %d [%02d][%02d][%02d] offset value~\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);\r
+//++++ (*i)--;\r
+// (*z)--;\r
+ //expand dong here\r
+/*\r
+planned features that i plan to implement~\r
+image that has values on the pallete list!\r
+wwww\r
+no... wait.... no wwww\r
+*/\r
+ //for(zzii=0; zzii<3; zzii++)\r
+ //{\r
+ //printf("z+q: %d\n\n", ((*z)+(*q)));\r
+ a[(((*z)+(*q)))]=zz;\r
+ //}\r
+ (*aa)=(((*z)+(*q)));\r
+ printf("!! a[%02d]: %d\n", (((*z)+(*q))/3), zz/3);\r
+// printf("\n aa: %d\n\n", (*aa));\r
+// printf(" a[%02d]=(%02d) offset array i think the palette should be updated again~\n", ((*z)+(*q))/3, a[((*z)+(*q))/3]);\r
+// printf("wwwwwwwwwwwwwwww\n\n");\r
+ }\r
+ /*else\r
+ {\r
+ printf("================\n");\r
+ printf("zq: %d [%02d][%02d][%02d]\n", ((*z)+(*q))/3, pal[((*z)+(*q))], pal[((*z)+(*q))+1], pal[((*z)+(*q))+2]);\r
+ printf("zz: %d [%02d][%02d][%02d]\n", (zz)/3, pal[zz], pal[zz+1], pal[zz+2]);\r
+ printf("z : %d [%02d][%02d][%02d]\n", (*z)/3, pal[(*z)], pal[(*z)+1], pal[(*z)+2]);\r
+ printf("================\n");\r
+ }*/\r
+ //printf("[%d]", (zz+q));\r
+ }\r
+ }\r
+ }\r
+ printf("wwwwwwwwwwwwwwww\n");\r
+ printf("2 (*z): %d\n", (*z)/3);\r
+ printf("2 (*i): %d\n", (*i)/3);\r
+// printf("2 offset of color in palette (*q): %d\n", (*q)/3);\r
+ printf("chkcolor end~\n");\r
+ free(pal);\r
+}\r
+\r
+void modexputPixel(page_t *page, int x, int y, byte color)\r
+{\r
+ word pageOff = (word) page->data;\r
+ /* Each address accesses four neighboring pixels, so set\r
+ Write Plane Enable according to which pixel we want\r
+ to modify. The plane is determined by the two least\r
+ significant bits of the x-coordinate: */\r
+ modexSelectPlane(PLANE(x));\r
+ //outp(SC_INDEX, 0x02);\r
+ //outp(SC_DATA, 0x01 << (x & 3));\r
+\r
+ /* The offset of the pixel into the video segment is\r
+ offset = (width * y + x) / 4, and write the given\r
+ color to the plane we selected above. Heed the active\r
+ page start selection. */\r
+ VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff] = color;\r
+\r
+}\r
+\r
+byte modexgetPixel(page_t *page, int x, int y)\r
+{\r
+ word pageOff = (word) page->data;\r
+ /* Select the plane from which we must read the pixel color: */\r
+ outpw(GC_INDEX, 0x04);\r
+ outpw(GC_INDEX+1, x & 3);\r
+\r
+ return VGA[(unsigned)((page->width/4) * y) + (x / 4) + pageOff];\r
+\r
+}\r
+\r
+void modexhlin(page_t *page, word xl, word xh, word y, word color)\r
+{\r
+ word x;\r
+ word yy=0;\r
+\r
+ for(x=0;x<xh*4;x+=4)\r
+ {\r
+ if(x+4>=SCREEN_WIDTH-1){ x=0; yy+=4; }\r
+ modexClearRegion(page, x+xl, y+yy, 4, 4, color);\r
+ }\r
+ //modexputPixel(page, x+xl, y, color);\r
+}\r
+\r
+void modexprint(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str)\r
+{\r
+ word i, s, o, w, j, xp;\r
+ byte l[1024];\r
+ word addr = (word) l;\r
+ word chw=0;\r
+ byte c;\r
+\r
+ switch(t)\r
+ {\r
+ case 0:\r
+ w=14;\r
+ break;\r
+ case 1:\r
+ w=8;\r
+ break;\r
+ case 2:\r
+ w=8;\r
+ break;\r
+ case 3:\r
+ w=16;\r
+ break;\r
+ default:\r
+ t=3;\r
+ w=16;\r
+ break;\r
+ }\r
+\r
+ s=romFonts[t].seg;\r
+ o=romFonts[t].off;\r
+\r
+ for(; *str != '\0'; str++)\r
+ {\r
+ c = (*str);\r
+ if((c=='\n'/* || c=="\\r
+"*/) || chw\r
+>=page->width)\r
+ {\r
+ chw=0;\r
+ y+=w;\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
+\r
+ for(i=0; i<w; i++)\r
+ {\r
+ j=1<<8;\r
+ xp=0;\r
+ while(j)\r
+ {\r
+ modexputPixel(page, x+xp+chw, y+i, l[i] & j ? col:bgcol);\r
+ xp++;\r
+ j>>=1;\r
+ }\r
+ }\r
+ chw += xp;\r
+ }\r
+}\r
+\r
+void modexprintbig(page_t *page, word x, word y, word t, word col, word bgcol, const byte *str)\r
+{\r
+ word i, s, o, w, j, xp;\r
+ byte l[1024];\r
+ word addr = (word) l;\r
+ word chw=0;\r
+ byte c;\r
+\r
+ switch(t)\r
+ {\r
+ case 0:\r
+ w=14;\r
+ break;\r
+ case 1:\r
+ w=8;\r
+ break;\r
+ case 2:\r
+ w=8;\r
+ break;\r
+ case 3:\r
+ w=16;\r
+ break;\r
+ default:\r
+ t=3;\r
+ w=16;\r
+ break;\r
+ }\r
+\r
+ s=romFonts[t].seg;\r
+ o=romFonts[t].off;\r
+\r
+ for(; *str != '\0'; str++)\r
+ {\r
+ c = (*str);\r
+ if((c=='\n'/* || c=="\\r
+"*/)/* || chw>=page->width*/)\r
+ {\r
+ chw=0;\r
+ y+=w;\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
+\r
+ for(i=0; i<w; i++)\r
+ {\r
+ j=1<<8;\r
+ xp=0;\r
+ while(j)\r
+ {\r
+ //modexputPixel(page, x+xp+chw, y+i, l[i] & j ? col:bgcol);\r
+ modexClearRegion(page, (x+xp+chw)*8, (y+i)*8, 8, 8, l[i] & j ? col:bgcol);\r
+ xp++;\r
+ j>>=1;\r
+ }\r
+ }\r
+ chw += xp;\r
+ }\r
+}\r
+\r
+/////////////////////////////////////////////////////////////////////////////\r
+// //\r
+// cls() - This clears the screen to the specified color, on the VGA or on //\r
+// the Virtual screen. //\r
+// //\r
+/////////////////////////////////////////////////////////////////////////////\r
+void cls(page_t *page, byte color, byte *Where)\r
+{\r
+ //modexClearRegion(page, 0, 0, page->width, page->height, color);\r
+ /* set map mask to all 4 planes */\r
+ outpw(SC_INDEX, 0xff02);\r
+ //_fmemset(VGA, color, 16000);\r
+ _fmemset(Where, color, page->width*(page->height));\r
+}\r
\r
void\r
modexWaitBorder() {\r
while(inp(INPUT_STATUS_1) & 8) {\r
- /* spin */\r
+ /* spin */\r
}\r
\r
while(!(inp(INPUT_STATUS_1) & 8)) {\r
- /* spin */\r
+ /* spin */\r
}\r
}\r
projects / 16.git / blobdiff