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86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/*
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* This file is part of the TETRIS project.
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* Copyright 2019 Edward V. Emelianov <eddy@sao.ru, edward.emelianoff@gmail.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#ifndef SCREEN_H__
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#define SCREEN_H__
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#include <stdint.h>
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// display size in px
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// PANEL_WIDTH is width of one panel
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//#define PANEL_WIDTH (64)
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// SCREEN_WIDTH is total screen width
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#define SCREEN_WIDTH (64)
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#define SCREEN_HEIGHT (32)
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#define SCREENBUF_SZ (SCREEN_WIDTH*SCREEN_HEIGHT)
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#define SCREEN_HW (SCREEN_WIDTH/2)
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#define SCREEN_HH (SCREEN_HEIGHT/2)
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// amount of blocks @ screen
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#define NBLOCKS (16)
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// pause to show a quater of screen - 10ms (25Hz framerate)
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#define SCREEN_PAUSE (3)
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typedef enum{ // screen states
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SCREEN_RELAX, // nothing to do (screen is off)
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SCREEN_ACTIVE, // transmission active
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SCREEN_UPDATENXT // update next quarter
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} screen_state;
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// colors
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#define COLOR_BLACK (0b00000000)
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#define COLOR_WHITE (0b11111111)
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#define COLOR_BLUE (0b00000011)
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#define COLOR_LBLUE (0b00000001)
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#define COLOR_GREEN (0b00011100)
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#define COLOR_LGREEN (0b00001100)
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#define COLOR_RED (0b11100000)
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#define COLOR_LRED (0b01100000)
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#define COLOR_CYAN (0b00011111)
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#define COLOR_PURPLE (0b11100011)
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#define COLOR_YELLOW (0b11111100)
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extern uint32_t score; // current game score
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extern uint8_t screenbuf[SCREENBUF_SZ];
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extern uint32_t StepMS, Tlast, incSpd; // common for all games timer values
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screen_state getScreenState();
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void ClearScreen();
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void setBGcolor(uint8_t c);
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void setFGcolor(uint8_t c);
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void DrawPix(int16_t X, int16_t Y, uint8_t pix);
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void InvertPix(int16_t X, int16_t Y);
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void XORPix(int16_t X, int16_t Y, uint8_t pix);
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uint8_t GetPix(int16_t X, int16_t Y);
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uint8_t DrawCharAt(int16_t X, int16_t Y, uint8_t Char);
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uint8_t PutStringAt(int16_t X, int16_t Y, const char *str);
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uint8_t CenterStringAt(int16_t Y, const char *str);
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int strpixlen(const char *str);
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uint8_t *getScreenBuf();
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void process_screen();
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void ScreenON();
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void ScreenOFF();
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uint32_t getFPS();
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uint8_t RGB2pack(const uint8_t *RGB);
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uint8_t *pack2RGB(uint8_t pack);
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#endif // SCREEN_H__
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