| 1 | /* display.c for GP2X (CPU/LCD/RAM-Tuner Version 2.0) |
| 2 | Copyright (C) 2006 god_at_hell |
| 3 | original CPU-Overclocker (c) by Hermes/PS2Reality |
| 4 | parts (c) Rlyehs Work |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 2 of the License, or |
| 9 | (at your option) any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License |
| 17 | along with this program; if not, write to the Free Software |
| 18 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| 19 | |
| 20 | */ |
| 21 | |
| 22 | #include <stdio.h> |
| 23 | #include <sys/mman.h> |
| 24 | #include <fcntl.h> |
| 25 | #include <math.h> |
| 26 | #include <unistd.h> |
| 27 | |
| 28 | #include "gp2xminilib.h" |
| 29 | #include "cpuctrl.h" |
| 30 | #define WIDTH 320 |
| 31 | #define HEIGHT 240 |
| 32 | |
| 33 | //unsigned TEXTBACK=0x900000; // text-background-color |
| 34 | |
| 35 | extern unsigned char msx[]; // define la fuente externa usada para dibujar letras y numeros |
| 36 | |
| 37 | void ClearScreen(unsigned val) // se usa para 'borrar' la pantalla virtual con un color |
| 38 | { |
| 39 | int n; |
| 40 | unsigned char *c; |
| 41 | unsigned short col; |
| 42 | c=&val; |
| 43 | col=gp2x_video_color15(c[0],c[1],c[2],0); |
| 44 | for(n=0;n<320*240;n++) |
| 45 | { |
| 46 | gp2x_screen15[n]=col; |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | void DrawBox(unsigned val) |
| 51 | { |
| 52 | int n; |
| 53 | unsigned char *c; |
| 54 | unsigned short col; |
| 55 | c=&val; |
| 56 | col=gp2x_video_color15(c[0],c[1],c[2],0); |
| 57 | |
| 58 | for(n=320*27+2;n<320*28-1;n++) |
| 59 | { |
| 60 | gp2x_screen15[n]=col; |
| 61 | gp2x_screen15[n+320*209]=col; |
| 62 | } |
| 63 | |
| 64 | for(n=320*29+4;n<320*30-3;n++) |
| 65 | { |
| 66 | gp2x_screen15[n]=col; |
| 67 | gp2x_screen15[n+320*169]=col; |
| 68 | gp2x_screen15[n+320*205]=col; |
| 69 | } |
| 70 | |
| 71 | for(n=320*28;n<320*237;n=n+320) |
| 72 | { |
| 73 | gp2x_screen15[n+2]=col; |
| 74 | gp2x_screen15[n-2]=col; |
| 75 | } |
| 76 | |
| 77 | for(n=320*30;n<320*235;n=n+320) |
| 78 | { |
| 79 | gp2x_screen15[n+4]=col; |
| 80 | gp2x_screen15[n-4]=col; |
| 81 | } |
| 82 | |
| 83 | for(n=320*30;n<320*199;n=n+320) |
| 84 | { |
| 85 | gp2x_screen15[n-120]=col; |
| 86 | } |
| 87 | |
| 88 | for(n=320*55-120;n<320*55-4;n++) |
| 89 | { |
| 90 | gp2x_screen15[n]=col; |
| 91 | } |
| 92 | |
| 93 | } |
| 94 | |
| 95 | void v_putchar( unsigned x, unsigned y, unsigned color, unsigned textback, unsigned char ch) // rutina usada para dibujar caracteres (coordenadas de 8x8) |
| 96 | { |
| 97 | int i,j,v; |
| 98 | unsigned char *font; |
| 99 | unsigned char *c; |
| 100 | unsigned short col,col2; |
| 101 | if(x>=WIDTH || y>=HEIGHT) return; |
| 102 | c=&color; |
| 103 | col=gp2x_video_color15(c[0],c[1],c[2],0); |
| 104 | c=&textback; |
| 105 | col2=gp2x_video_color15(c[0],c[1],c[2],0); |
| 106 | v=(y*320*8); |
| 107 | font = &msx[ (int)ch * 8]; |
| 108 | for (i=0; i < 8; i++, font++) |
| 109 | { |
| 110 | for (j=0; j < 8; j++) |
| 111 | { |
| 112 | if ((*font & (128 >> j))) |
| 113 | { |
| 114 | gp2x_screen15[v+(((x<<3)+j))]=col; |
| 115 | } |
| 116 | else gp2x_screen15[v+(((x<<3)+j))]=col2; |
| 117 | } |
| 118 | v+=WIDTH; |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | // display array of chars |
| 123 | |
| 124 | void v_putcad(int x,int y,unsigned color,unsigned textback,char *cad) // dibuja una cadena de texto |
| 125 | { |
| 126 | while(cad[0]!=0) {v_putchar(x,y,color,textback,cad[0]);cad++;x++;} |
| 127 | } |
| 128 | |
| 129 | |
| 130 | void gp2x_sound_frame(void *unused, unsigned char *stream, int samples) |
| 131 | { |
| 132 | int n; |
| 133 | short *pu; |
| 134 | pu=stream; |
| 135 | for(n=0;n<(samples);n++) |
| 136 | { |
| 137 | *pu++=0;*pu++=0; |
| 138 | } |
| 139 | } |