mirror of
https://github.com/RaySollium99/picodrive.git
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ca482e5de8
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@569 be3aeb3a-fb24-0410-a615-afba39da0efa
638 lines
16 KiB
C++
638 lines
16 KiB
C++
// EmuScan routines for Pico, also simple text and shape drawing routines.
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// (c) Copyright 2006, notaz
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// All Rights Reserved
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#include "vid.h"
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#include "../Engine.h"
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#include <Pico/PicoInt.h>
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#include "../../common/emu.h"
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#include "blit.h"
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#include "debug.h"
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// global stuff
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extern TPicoAreaConfigEntry areaConfig[];
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extern const char *actionNames[];
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// main framebuffer
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static void *screenbuff = 0; // pointer to real device video memory
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//static
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extern "C" { unsigned char *PicoDraw2FB = 0; } // temporary buffer
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const int framebuffsize = (8+320)*(8+240+8)*2+8*2; // actual framebuffer size (in bytes+to support new rendering mode)
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// drawer function pointers
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static void (*drawTextFps)(const char *text) = 0;
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static void (*drawTextNotice)(const char *text) = 0;
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// blitter
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static void (*vidBlit)(int full) = 0;
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// colors
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const unsigned short color_red = 0x022F;
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const unsigned short color_red_dim = 0x0004;
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const unsigned short color_green = 0x01F1;
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const unsigned short color_blue = 0x0F11;
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const unsigned short color_grey = 0x0222;
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// other
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int txtheight_fit = 138;
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// bitmasks
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static const unsigned long mask_numbers[] = {
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0x12244800, // 47 2F /
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0x69999600, // 48 30 0
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0x26222200, // 49 31 1
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0x69168F00, // 50 32 2
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0x69219600, // 51 33 3
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0x266AF200, // 52 34 4
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0xF8E11E00, // 53 35 5
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0x68E99600, // 54 36 6
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0x71222200, // 55 37 7
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0x69699600, // 56 38 8
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0x69719600, // 57 39 9
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0x04004000, // 58 3A :
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0x04004400, // 59 3B ;
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0x01242100, // 60 3C <
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0x00707000, // 61 3D =
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0x04212400, // 62 3E >
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0x69240400, // 63 3F ?
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0x00000000, // 64 40 @ [used instead of space for now]
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0x22579900, // 65 41 A
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0xE9E99E00, // 66 42 B
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0x69889600, // 67 43 C
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0xE9999E00, // 68 44 D
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0xF8E88F00, // 69 45 E
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0xF8E88800, // 70 46 F
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0x698B9700, // 71 47 G
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0x99F99900, // 72 48 H
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0x44444400, // 73 49 I
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0x11119600, // 74 4A J
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0x9ACCA900, // 75 4B K
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0x88888F00, // 76 4C L
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0x9F999900, // 77 4D M
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0x9DDBB900, // 78 4E N
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0x69999600, // 79 4F O
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0xE99E8800, // 80 50 P
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0x6999A500, // 81 51 Q
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0xE99E9900, // 82 52 R
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0x69429600, // 83 53 S
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0x72222200, // 84 54 T
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0x99999600, // 85 55 U
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0x55552200, // 86 56 V
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0x9999F900, // 87 57 W
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0x55225500, // 88 58 X
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0x55222200, // 89 59 Y
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0xF1248F00, // 90 5A Z
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};
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////////////////////////////////
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// PicoScan functions
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static int EmuScanBegin8(unsigned int num)
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{
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DrawLineDest = PicoDraw2FB + 328*num + 328*8 + 8;
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return 0;
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}
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static int EmuScanEndFit0(unsigned int num)
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{
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// 0.75, 168 lines
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static int u = 0, num2 = 0;
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if(!num) u = num2 = 0;
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DrawLineDest = PicoDraw2FB + 328*(++num2) + 328*8 + 8;
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u += 6666;
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if(u < 10000) {
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// u += 7500;
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return 1;
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}
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u -= 10000;
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return 0;
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}
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////////////////////////////////
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// text drawers
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// warning: text must be at least 1px away from screen borders
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static void drawTextM2(int x, int y, const char *text)
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{
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unsigned char *vidmem = PicoDraw2FB + 328*8 + 8;
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int charmask, i, cx = x, cy;
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unsigned char *l, *le;
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// darken the background (left border)
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for(l=vidmem+(cx-1)+(y-1)*328, le=l+8*328; l < le; l+=328) *l = 0xE0;
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for(const char *p=text; *p; p++) {
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cy = y;
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charmask = *(mask_numbers + (*p - 0x2F));
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for(l = vidmem+cx+(y-1)*328, le = l+8*328; l < le; l+=328-4) {
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*l = 0xE0; l++; *l = 0xE0; l++;
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*l = 0xE0; l++; *l = 0xE0; l++;
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*l = 0xE0;
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}
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for(i=0; i < 24; i++) {
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if(charmask&0x80000000) *( vidmem + (cx+(i&3)) + (cy+(i>>2))*328 ) = 0xf0;
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charmask <<= 1;
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}
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cx += 5;
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}
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}
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static void drawTextM2Fat(int x, int y, const char *text)
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{
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unsigned char *vidmem = PicoDraw2FB + 328*8 + 8;
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int charmask, i, cx = x&~1, cy;
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unsigned short *l, *le;
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// darken the background (left border)
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for(l=(unsigned short *)(vidmem+(cx-2)+(y-1)*328), le=l+8*328/2; l < le; l+=328/2) *l = 0xE0;
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for(const char *p=text; *p; p++) {
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cy = y;
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for(l = (unsigned short *)(vidmem+cx+(y-1)*328), le = l+8*328/2; l < le; l+=328/2) {
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l += 4;
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*l-- = 0xe0e0; *l-- = 0xe0e0; *l-- = 0xe0e0; *l-- = 0xe0e0; *l = 0xe0e0;
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}
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charmask = *(mask_numbers + (*p - 0x2F));
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for(i=0; i < 24; i++) {
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if(charmask&0x80000000) *(unsigned short *)( vidmem + cx+(i&3)*2 + (cy+(i>>2))*328 ) = 0xf0f0;
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charmask <<= 1;
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}
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cx += 5*2;
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}
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}
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static void drawTextFpsCenter0(const char *text)
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{
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if(!text) return;
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drawTextM2(214, 216, text);
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}
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static void drawTextFpsFit0(const char *text)
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{
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if(!text) return;
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drawTextM2Fat((Pico.video.reg[12]&1) ? 256-32 : 224-32, 160, text);
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}
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static void drawTextFpsFit2_0(const char *text)
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{
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if(!text) return;
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drawTextM2Fat((Pico.video.reg[12]&1) ? 256-32 : 224-32, 216, text);
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}
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static void drawTextFps0(const char *text)
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{
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if(!text) return;
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drawTextM2((Pico.video.reg[12]&1) ? 256 : 224, 216, text);
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}
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static void drawTextNoticeCenter0(const char *text)
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{
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if(!text) return;
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drawTextM2(2, 216, text);
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}
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static void drawTextNoticeFit0(const char *text)
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{
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if(!text) return;
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drawTextM2Fat(2, 160, text);
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}
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static void drawTextNoticeFit2_0(const char *text)
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{
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if(!text) return;
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drawTextM2Fat(2, 216, text);
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}
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static void drawTextNotice0(const char *text)
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{
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if(!text) return;
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drawTextM2(2, 216, text);
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}
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// -----------------------------------------------------------------
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static int localPal[0x100];
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static void fillLocalPal(void)
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{
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Pico.m.dirtyPal = 0;
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if (PicoOpt&0x10) {
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// 8bit fast renderer
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vidConvCpyRGB32(localPal, Pico.cram, 0x40);
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return;
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}
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// 8bit accurate renderer
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if(Pico.video.reg[0xC]&8) { // shadow/hilight mode
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vidConvCpyRGB32(localPal, Pico.cram, 0x40);
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vidConvCpyRGB32sh(localPal+0x40, Pico.cram, 0x40);
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vidConvCpyRGB32hi(localPal+0x80, Pico.cram, 0x40);
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memcpy32(localPal+0xc0, localPal+0x40, 0x40);
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localPal[0xe0] = 0x00000000; // reserved pixels for OSD
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localPal[0xf0] = 0x00ee0000;
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} else if (rendstatus & 0x20) { // mid-frame palette changes
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vidConvCpyRGB32(localPal, Pico.cram, 0x40);
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vidConvCpyRGB32(localPal+0x40, HighPal, 0x40);
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vidConvCpyRGB32(localPal+0x80, HighPal+0x40, 0x40);
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} else {
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vidConvCpyRGB32(localPal, Pico.cram, 0x40);
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}
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}
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// note: the internal 8 pixel border is taken care by asm code
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static void vidBlit_90(int full)
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{
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unsigned char *ps = PicoDraw2FB+328*8;
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unsigned long *pd = (unsigned long *) screenbuff;
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if (Pico.m.dirtyPal) fillLocalPal();
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if(Pico.video.reg[12]&1)
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vidConvCpy_90(pd, ps, localPal, 320/8);
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else {
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if(full) vidClear(pd, 32);
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pd += 256*32;
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vidConvCpy_90(pd, ps, localPal, 256/8);
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if(full) vidClear(pd + 256*256, 32);
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}
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}
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static void vidBlit_270(int full)
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{
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unsigned char *ps = PicoDraw2FB+328*8;
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unsigned long *pd = (unsigned long *) screenbuff;
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if (Pico.m.dirtyPal) fillLocalPal();
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if(Pico.video.reg[12]&1)
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vidConvCpy_270(pd, ps, localPal, 320/8);
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else {
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if(full) vidClear(pd, 32);
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pd += 256*32;
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ps -= 64; // the blitter starts copying from the right border, so we need to adjust
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vidConvCpy_270(pd, ps, localPal, 256/8);
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if(full) vidClear(pd + 256*256, 32);
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}
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}
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static void vidBlitCenter_0(int full)
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{
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unsigned char *ps = PicoDraw2FB+328*8+8;
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unsigned long *pd = (unsigned long *) screenbuff;
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if (Pico.m.dirtyPal) fillLocalPal();
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if(Pico.video.reg[12]&1) ps += 32;
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vidConvCpy_center_0(pd, ps, localPal);
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if(full) vidClear(pd + 224*256, 96);
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}
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static void vidBlitCenter_180(int full)
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{
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unsigned char *ps = PicoDraw2FB+328*8+8;
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unsigned long *pd = (unsigned long *) screenbuff;
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if (Pico.m.dirtyPal) fillLocalPal();
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if(Pico.video.reg[12]&1) ps += 32;
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vidConvCpy_center_180(pd, ps, localPal);
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if(full) vidClear(pd + 224*256, 96);
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}
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static void vidBlitFit_0(int full)
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{
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if (Pico.m.dirtyPal) fillLocalPal();
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if(Pico.video.reg[12]&1)
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vidConvCpy_center2_40c_0(screenbuff, PicoDraw2FB+328*8, localPal, 168);
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else vidConvCpy_center2_32c_0(screenbuff, PicoDraw2FB+328*8, localPal, 168);
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if(full) vidClear((unsigned long *)screenbuff + 168*256, 320-168);
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}
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static void vidBlitFit_180(int full)
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{
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if (Pico.m.dirtyPal) fillLocalPal();
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if(Pico.video.reg[12]&1)
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vidConvCpy_center2_40c_180(screenbuff, PicoDraw2FB+328*8, localPal, 168);
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else vidConvCpy_center2_32c_180(screenbuff, PicoDraw2FB+328*8-64, localPal, 168);
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if(full) vidClear((unsigned long *)screenbuff + 168*256, 320-168);
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}
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static void vidBlitFit2_0(int full)
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{
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if (Pico.m.dirtyPal) fillLocalPal();
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if(Pico.video.reg[12]&1)
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vidConvCpy_center2_40c_0(screenbuff, PicoDraw2FB+328*8, localPal, 224);
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else vidConvCpy_center2_32c_0(screenbuff, PicoDraw2FB+328*8, localPal, 224);
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if(full) vidClear((unsigned long *)screenbuff + 224*256, 96);
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}
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static void vidBlitFit2_180(int full)
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{
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if (Pico.m.dirtyPal) fillLocalPal();
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if(Pico.video.reg[12]&1)
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vidConvCpy_center2_40c_180(screenbuff, PicoDraw2FB+328*8, localPal, 224);
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else vidConvCpy_center2_32c_180(screenbuff, PicoDraw2FB+328*8-64, localPal, 224);
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if(full) vidClear((unsigned long *)screenbuff + 224*256, 96);
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}
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static void vidBlitCfg(void)
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{
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unsigned short *ps = (unsigned short *) PicoDraw2FB;
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unsigned long *pd = (unsigned long *) screenbuff;
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int i;
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// hangs randomly (due to repeated ldms/stms?)
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//for (int i = 1; i < 320; i++, ps += 240, pd += 256)
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// vidConvCpyRGB32(pd, ps, 240);
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for (i = 0; i < 320; i++, pd += 16)
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for (int u = 0; u < 240; u++, ps++, pd++)
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*pd = ((*ps & 0xf) << 20) | ((*ps & 0xf0) << 8) | ((*ps & 0xf00) >> 4);
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}
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////////////////////////////////
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// main functions
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int vidInit(void *vidmem, int reinit)
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{
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if(!reinit) {
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// prepare framebuffer
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screenbuff = vidmem;
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PicoDraw2FB = (unsigned char *) malloc(framebuffsize);
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if(!screenbuff) return KErrNotSupported;
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if(!PicoDraw2FB) return KErrNoMemory;
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memset(PicoDraw2FB, 0, framebuffsize);
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}
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// select suitable blitters
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vidBlit = vidBlit_270;
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PicoScanBegin = EmuScanBegin8;
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drawTextFps = drawTextFps0;
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drawTextNotice = drawTextNotice0;
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memset(localPal, 0, 0x100*4);
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localPal[0xe0] = 0x00000000; // reserved pixels for OSD
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localPal[0xf0] = 0x00ee0000;
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// setup all orientation related stuff
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if (currentConfig.rotation == TPicoConfig::PRot0)
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{
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if (currentConfig.scaling == TPicoConfig::PMCenter) {
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vidBlit = vidBlitCenter_0;
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drawTextFps = drawTextFpsCenter0;
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drawTextNotice = drawTextNoticeCenter0;
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} else if (currentConfig.scaling == TPicoConfig::PMFit2) {
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vidBlit = vidBlitFit2_0;
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drawTextFps = drawTextFpsFit2_0;
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drawTextNotice = drawTextNoticeFit2_0;
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} else {
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vidBlit = vidBlitFit_0;
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drawTextFps = drawTextFpsFit0;
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drawTextNotice = drawTextNoticeFit0;
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PicoScanEnd = EmuScanEndFit0;
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}
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} else if (currentConfig.rotation == TPicoConfig::PRot90) {
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vidBlit = vidBlit_90;
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}
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else if (currentConfig.rotation == TPicoConfig::PRot180)
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{
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if (currentConfig.scaling == TPicoConfig::PMCenter)
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{
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vidBlit = vidBlitCenter_180;
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drawTextFps = drawTextFpsCenter0;
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drawTextNotice = drawTextNoticeCenter0;
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}
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else if (currentConfig.scaling == TPicoConfig::PMFit2) {
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vidBlit = vidBlitFit2_180;
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drawTextFps = drawTextFpsFit2_0;
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drawTextNotice = drawTextNoticeFit2_0;
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} else {
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vidBlit = vidBlitFit_180;
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drawTextFps = drawTextFpsFit0;
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drawTextNotice = drawTextNoticeFit0;
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PicoScanEnd = EmuScanEndFit0;
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}
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}
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else if (currentConfig.rotation == TPicoConfig::PRot270) {
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vidBlit = vidBlit_270;
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}
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vidBlit(1);
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PicoOpt |= 0x100;
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Pico.m.dirtyPal = 1;
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return 0;
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}
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void vidFree()
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{
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free(PicoDraw2FB);
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PicoDraw2FB = 0;
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}
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void vidDrawFrame(char *noticeStr, char *fpsStr, int num)
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{
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DrawLineDest = PicoDraw2FB + 328*8 + 8;
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// PicoFrame(); // moved to main loop
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if (currentConfig.EmuOpt & EOPT_SHOW_FPS)
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drawTextFps(fpsStr);
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drawTextNotice(noticeStr);
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vidBlit(!num); // copy full frame once a second
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}
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// -----------------------------------------------------------------
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static void drawText0(int x, int y, const char *text, long color)
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{
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unsigned short *vidmem=(unsigned short *)PicoDraw2FB;
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int charmask, i, cx = x, cy;
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unsigned short *l, *le, dmask=0x0333;
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// darken the background (left border)
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for(l=vidmem+(cx-1)+(y-1)*240, le=vidmem+(cx-1)+(y+7)*240; l < le; l+=240)
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*l = (*l >> 2) & dmask;
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for(const char *p=text; *p; p++) {
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cy = y;
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charmask = *(mask_numbers + (*p - 0x2F));
|
|
|
|
for(l = vidmem+cx+(y-1)*240, le = vidmem+cx+(y+7)*240; l < le; l+=240-4) {
|
|
*l = (*l >> 2) & dmask; l++; *l = (*l >> 2) & dmask; l++;
|
|
*l = (*l >> 2) & dmask; l++; *l = (*l >> 2) & dmask; l++;
|
|
*l = (*l >> 2) & dmask;
|
|
}
|
|
|
|
for(i=0; i < 24; i++) {
|
|
// draw dot. Is this fast?
|
|
if(charmask&0x80000000) *( vidmem + (cx+(i&3)) + (cy+(i>>2))*240 ) = color;
|
|
charmask <<= 1;
|
|
}
|
|
cx += 5;
|
|
}
|
|
}
|
|
|
|
// draws rect with width - 1 and height - 1
|
|
static void drawRect(const TRect &rc, unsigned short color)
|
|
{
|
|
unsigned short *vidmem=(unsigned short *)PicoDraw2FB;
|
|
|
|
if(rc.iTl.iX - rc.iBr.iX && rc.iTl.iY - rc.iBr.iY) {
|
|
int stepX = rc.iTl.iX < rc.iBr.iX ? 1 : -1;
|
|
int stepY = rc.iTl.iY < rc.iBr.iY ? 1 : -1;
|
|
|
|
for(int x = rc.iTl.iX;; x += stepX) {
|
|
*(vidmem + rc.iTl.iY*240 + x) = *(vidmem + (rc.iBr.iY - stepY)*240 + x) = color;
|
|
if(x == rc.iBr.iX - stepX) break;
|
|
}
|
|
|
|
for(int y = rc.iTl.iY;; y += stepY) {
|
|
*(vidmem + y*240 + rc.iTl.iX) = *(vidmem + y*240 + rc.iBr.iX - stepX) = color;
|
|
if(y == rc.iBr.iY - stepY) break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// draws fullsize filled rect
|
|
static void drawRectFilled(const TRect rc, unsigned short color)
|
|
{
|
|
unsigned short *vidmem=(unsigned short *)PicoDraw2FB;
|
|
|
|
if(rc.iTl.iX - rc.iBr.iX && rc.iTl.iY - rc.iBr.iY) {
|
|
int stepX = rc.iTl.iX < rc.iBr.iX ? 1 : -1;
|
|
int stepY = rc.iTl.iY < rc.iBr.iY ? 1 : -1;
|
|
|
|
for(int y = rc.iTl.iY;; y += stepY) {
|
|
for(int x = rc.iTl.iX;; x += stepX) {
|
|
*(vidmem + y*240 + x) = *(vidmem + y*240 + x) = color;
|
|
if(x == rc.iBr.iX) break;
|
|
}
|
|
if(y == rc.iBr.iY) break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// direction: -1 left, 1 right
|
|
static void drawArrow0(TPoint p, int direction, unsigned short color)
|
|
{
|
|
unsigned short *vidmem=(unsigned short *)PicoDraw2FB;
|
|
int width = 15;
|
|
int x = p.iX;
|
|
int y = p.iY;
|
|
|
|
for(; width > 0; x+=direction, y++, width -=2)
|
|
for(int i=0; i < width; i++)
|
|
*(vidmem + x + y*240 + i*240) = color;
|
|
}
|
|
|
|
static char *vidGetScanName(int scan)
|
|
{
|
|
static char buff[32];
|
|
|
|
if((scan >= '0' && scan <= '9') || (scan >= 'A' && scan <= 'Z')) {
|
|
buff[0] = (char) scan; buff[1] = 0;
|
|
} else {
|
|
switch(scan) {
|
|
case 0x01: strcpy(buff, "BSPACE"); break;
|
|
case 0x03: strcpy(buff, "OK"); break;
|
|
case 0x05: strcpy(buff, "SPACE"); break;
|
|
case 0x0e: strcpy(buff, "AST"); break;
|
|
case 0x0f: strcpy(buff, "HASH"); break;
|
|
case 0x12: strcpy(buff, "SHIFT"); break;
|
|
case 0x19: strcpy(buff, "ALT"); break;
|
|
case 0x79: strcpy(buff, "PLUS"); break;
|
|
case 0x7a: strcpy(buff, "DOT"); break;
|
|
case 0xa5: strcpy(buff, "JOG@UP"); break;
|
|
case 0xa6: strcpy(buff, "JOG@DOWN"); break;
|
|
case 0xb5: strcpy(buff, "INET"); break;
|
|
case 0xd4: strcpy(buff, "JOG@PUSH"); break;
|
|
case 0xd5: strcpy(buff, "BACK"); break;
|
|
default: sprintf(buff, "KEY@%02X", scan); break;
|
|
}
|
|
}
|
|
|
|
return buff;
|
|
}
|
|
|
|
void vidKeyConfigFrame(const TUint whichAction)
|
|
{
|
|
int i;
|
|
char buttonNames[128];
|
|
buttonNames[0] = 0;
|
|
memset(PicoDraw2FB, 0, framebuffsize);
|
|
|
|
unsigned long currentActCode = 1 << whichAction;
|
|
|
|
// draw all "buttons" in reverse order
|
|
const TPicoAreaConfigEntry *e = areaConfig + 1; i = 0;
|
|
while(e->rect != TRect(0,0,0,0)) { e++; i++; }
|
|
for(e--, i--; e->rect != TRect(0,0,0,0); e--, i--)
|
|
drawRect(e->rect, (currentConfig.KeyBinds[i+256] & currentActCode) ? color_red : color_red_dim);
|
|
|
|
// action name control
|
|
drawRectFilled(TRect(72, 2, 168, 20), color_grey); // 96x14
|
|
drawArrow0(TPoint(80, 3), -1, color_green);
|
|
drawArrow0(TPoint(160, 3), 1, color_green);
|
|
|
|
drawText0(86, 9, actionNames[whichAction], color_red);
|
|
|
|
// draw active button names if there are any
|
|
for (i = 0; i < 256; i++) {
|
|
if (currentConfig.KeyBinds[i] & currentActCode) {
|
|
if(buttonNames[0]) strcat(buttonNames, ";@");
|
|
strcat(buttonNames, vidGetScanName(i));
|
|
}
|
|
}
|
|
|
|
if (buttonNames[0]) {
|
|
buttonNames[61] = 0; // only 60 chars fit
|
|
drawText0(6, 48, buttonNames, color_blue);
|
|
}
|
|
|
|
vidBlitCfg();
|
|
}
|
|
|
|
void vidDrawNotice(const char *txt)
|
|
{
|
|
if(PicoDraw2FB) {
|
|
drawTextNotice(txt);
|
|
vidBlit(1);
|
|
}
|
|
}
|