/* Project 16 Source Code~\r
- * Copyright (C) 2012-2016 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
+ * Copyright (C) 2012-2017 sparky4 & pngwen & andrius4669 & joncampbell123 & yakui-lover\r
*\r
* This file is part of Project 16.\r
*\r
modexCalcVmemRemain(video);\r
video->p=0;\r
video->r=1;\r
+ video->vh=video->page[0].height+video->page[1].height+video->page[2].height+video->page[3].height;\r
+ //doslib origi var\r
+ video->omemptr= vga_state.vga_graphics_ram;\r
+ video->vga_draw_stride= vga_state.vga_draw_stride;\r
+ video->vga_draw_stride_limit= vga_state.vga_draw_stride_limit;\r
+ //sprite render switch\r
+ video->rss=0;\r
\r
//setup the buffersize\r
video->page[0].dx=video->page[0].dy=\r
outp(AC_INDEX, 0x33);\r
outp(AC_INDEX, (page[0].dx & 0x03) << 1);\r
}\r
-\r
-//\r
-// testing version of void modexShowPage()\r
-//\r
-void\r
-modexShowPage_(page_t *page)\r
-{\r
- word high_address, low_address, offset;\r
- byte crtcOffset;\r
-\r
- /* calculate offset */\r
- offset = (word) page->data;\r
- offset += page[0].dy * (page->width >> 2 );\r
- offset += page[0].dx >> 2;\r
-\r
- /* calculate crtcOffset according to virtual width */\r
- crtcOffset = page->sw >> 3;\r
-\r
- high_address = HIGH_ADDRESS | (offset & 0xff00);\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
- 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
-\r
- /* do PEL panning here */\r
- outp(AC_INDEX, 0x33);\r
- outp(AC_INDEX, (page[0].dx & 0x03) << 1);\r
-}\r
-\r
-//yet another variant\r
//args: page, vertical sync switch, screen resolution switch, page0 switch\r
void\r
VL_ShowPage(page_t *page, boolean vsync, boolean sr) {\r
/* do PEL panning here */\r
outp(AC_INDEX, 0x33);\r
outp(AC_INDEX, (page[0].dx & 0x03) << 1);\r
+ vga_state.vga_graphics_ram = (VGA_RAM_PTR)page[0].data;\r
}\r
\r
//=============================================================================\r
_fmemset(Where, color, page->width*(page->height)/4);\r
}\r
\r
+//\r
+// pattern filler from joncampbell123's code\r
+//\r
+void VL_PatternDraw(video_t *video, word pn, boolean sw, boolean allsw)\r
+{\r
+ unsigned int i,j,o, d,h,s;\r
+ word w;\r
+\r
+ switch(sw)\r
+ {\r
+ case 0:\r
+ w=vga_state.vga_width;\r
+ d=0;\r
+ s=vga_state.vga_stride;\r
+ switch(allsw)\r
+ {\r
+ case 0:\r
+ h=vga_state.vga_height;\r
+ break;\r
+ case 1:\r
+ h=video->vh;\r
+ break;\r
+ }\r
+ break;\r
+ default:\r
+ w=video->page[pn].width;\r
+ d=(0x10000UL - (uint16_t)video->page[pn].data);\r
+ s=video->page[pn].stridew;\r
+ switch(allsw)\r
+ {\r
+ case 0:\r
+ h=video->page[pn].height;\r
+ break;\r
+ case 1:\r
+ if(!pn) h=video->vh;\r
+ else h=video->page[pn].height;\r
+ break;\r
+ }\r
+ break;\r
+ }\r
+\r
+ /* fill screen/pattern with a distinctive pattern */\r
+ for (i=0;i < w;i++) {\r
+ o = (i >> 2) + d;\r
+ vga_write_sequencer(0x02/*map mask*/,1 << (i&3));\r
+ for (j=0;j < h;j++,o += s)\r
+ vga_state.vga_graphics_ram[o] = (i^j)&15; // VRL samples put all colors in first 15!\r
+ }\r
+}\r
+\r
void\r
modexWaitBorder() {\r
while(inp(INPUT_STATUS_1) & 8) {\r
}\r
}\r
\r
-void modexprintmeminfo(video_t *v)\r
+//\r
+// printings of video memory information\r
+//\r
+void VL_PrintmodexmemInfo(video_t *v)\r
{\r
byte i;\r
- printf("video memory remaining: %u\n", v->vmem_remain);\r
- printf("page ");\r
+\r
+// printf("========================================\n");\r
+ printf("VL_PrintmodexmemInfo:\n");\r
+// printf("========================================\n");\r
+ printf(" Virtual Screen: %dx", v->page[0].width); printf("%d ", v->page[0].height); printf("Tile: %dx", v->page[0].tilesw); printf("%d", v->page[0].tilesh); printf("=((Virtual Screen)/16)\n");\r
+ printf(" Screen: %dx", v->page[0].sw); printf("%d ", v->page[0].sh); printf("Tile: %dx", v->page[0].tw); printf("%d", v->page[0].th); printf("=((Screen)/16)\n");\r
+\r
+ printf(" Free Video Memory: %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("w=%-3lu h=%-3lu ", (unsigned long)v->page[i].width, (unsigned long)v->page[i].height);\r
+ printf("sw=%-3lu sh=%-3lu ", (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
projects / 16.git / blobdiff