160 lines
3.8 KiB
C
160 lines
3.8 KiB
C
// MIT License
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// Copyright (c) 2017 Vadim Grigoruk @nesbox // grigoruk@gmail.com
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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// The above copyright notice and this permission notice shall be included in all
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// copies or substantial portions of the Software.
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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// SOFTWARE.
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#pragma once
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#include "ticapi.h"
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#include "tools.h"
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#include "ext/blip_buf.h"
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#define SFX_DEF_SPEED (1 << SFX_SPEED_BITS)
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typedef struct
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{
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s32 time; /* clock time of next delta */
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s32 phase; /* position within waveform */
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s32 amp; /* current amplitude in delta buffer */
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}tic_sound_register_data;
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typedef struct
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{
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s32 tick;
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tic_sfx_pos pos;
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s32 index;
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u16 freq;
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u8 volume:4;
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s8 speed:SFX_SPEED_BITS;
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s32 duration;
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} Channel;
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typedef struct
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{
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s32 l;
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s32 t;
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s32 r;
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s32 b;
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} Clip;
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typedef struct
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{
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struct
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{
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tic80_input previous;
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u32 holds[sizeof(tic80_input) * BITS_IN_BYTE];
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} gamepad;
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Clip clip;
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tic_sound_register_data registers[TIC_SOUND_CHANNELS];
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Channel channels[TIC_SOUND_CHANNELS];
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struct
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{
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enum
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{
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MusicStop = 0,
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MusicPlayFrame,
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MusicPlay,
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} play;
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s32 ticks;
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Channel channels[TIC_SOUND_CHANNELS];
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} music;
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tic_scanline scanline;
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struct
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{
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tic_overlap callback;
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u32 palette[TIC_PALETTE_SIZE];
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} ovr;
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void (*setpix)(tic_mem* memory, s32 x, s32 y, u8 color);
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u8 (*getpix)(tic_mem* memory, s32 x, s32 y);
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void (*drawhline)(tic_mem* memory, s32 xl, s32 xr, s32 y, u8 color);
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u32 synced;
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bool initialized;
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} MachineState;
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typedef struct
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{
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tic_mem memory; // it should be first
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tic_api api;
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struct
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{
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struct duk_hthread* js;
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struct lua_State* lua;
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};
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blip_buffer_t* blip;
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s32 samplerate;
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struct
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{
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const tic_sfx* sfx;
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const tic_music* music;
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} sound;
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tic_tick_data* data;
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MachineState state;
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struct
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{
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MachineState state;
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tic_ram ram;
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struct
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{
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u64 start;
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u64 paused;
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} time;
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} pause;
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} tic_machine;
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typedef s32(DrawCharFunc)(tic_mem* memory, u8 symbol, s32 x, s32 y, s32 width, s32 height, u8 color, s32 scale);
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s32 drawText(tic_mem* memory, const char* text, s32 x, s32 y, s32 width, s32 height, u8 color, s32 scale, DrawCharFunc* func);
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s32 drawSpriteFont(tic_mem* memory, u8 symbol, s32 x, s32 y, s32 width, s32 height, u8 chromakey, s32 scale);
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s32 drawFixedSpriteFont(tic_mem* memory, u8 index, s32 x, s32 y, s32 width, s32 height, u8 chromakey, s32 scale);
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void closeLua(tic_machine* machine);
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void closeJavascript(tic_machine* machine);
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bool initMoonscript(tic_machine* machine, const char* code);
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bool initLua(tic_machine* machine, const char* code);
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bool initJavascript(tic_machine* machine, const char* code);
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void callLuaTick(tic_machine* machine);
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void callJavascriptTick(tic_machine* machine);
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void callLuaScanline(tic_mem* memory, s32 row, void* data);
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void callJavascriptScanline(tic_mem* memory, s32 row, void* data);
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void callLuaOverlap(tic_mem* memory, void* data);
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void callJavascriptOverlap(tic_mem* memory, void* data);
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