183 lines
10 KiB
C
183 lines
10 KiB
C
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// 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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#include <stdlib.h>
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#include <string.h>
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#include <tic80.h>
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#include "ticapi.h"
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#include "tools.h"
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#include "ext/gif.h"
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static void onTrace(void* data, const char* text, u8 color)
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{
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tic80* tic = (tic80*)data;
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if(tic->callback.trace)
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tic->callback.trace(text, color);
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}
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static void onError(void* data, const char* info)
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{
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tic80* tic = (tic80*)data;
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if(tic->callback.error)
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tic->callback.error(info);
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}
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static void onExit(void* data)
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{
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tic80* tic = (tic80*)data;
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if(tic->callback.exit)
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tic->callback.exit();
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}
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static u64 getFreq()
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{
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return TIC_FRAMERATE;
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}
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static u64 TickCounter = 0;
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static u64 getCounter()
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{
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return TickCounter;
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}
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tic80* tic80_create(s32 samplerate)
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{
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tic80_local* tic80 = malloc(sizeof(tic80_local));
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if(tic80)
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{
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memset(tic80, 0, sizeof(tic80_local));
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tic80->memory = tic_create(samplerate);
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{
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static const u8 Font[] = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x30, 0x30, 0x30, 0x00, 0x30, 0x00, 0x00, 0x00, 0x50, 0x50, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x50, 0xf8, 0x50, 0xf8, 0x50, 0x00, 0x00, 0x00, 0x78, 0xa0, 0x70, 0x28, 0xf0, 0x00, 0x00, 0x00, 0x88, 0x10, 0x20, 0x40, 0x88, 0x00, 0x00, 0x00, 0x40, 0xa0, 0x68, 0x90, 0x68, 0x00, 0x00, 0x00, 0x20, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x40, 0x40, 0x40, 0x20, 0x00, 0x00, 0x00, 0x40, 0x20, 0x20, 0x20, 0x40, 0x00, 0x00, 0x00, 0x20, 0xa8, 0x70, 0xa8, 0x20, 0x00, 0x00, 0x00, 0x00, 0x20, 0x70, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x20, 0x40, 0x00, 0x00, 0x00, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, 0x08, 0x10, 0x20, 0x40, 0x80, 0x00, 0x00, 0x00, 0x70, 0xc8, 0xc8, 0xc8, 0x70, 0x00, 0x00, 0x00, 0x30, 0x70, 0x30, 0x30, 0x78, 0x00, 0x00, 0x00, 0xf0, 0x18, 0x70, 0xc0, 0xf8, 0x00, 0x00, 0x00, 0xf8, 0x18, 0x30, 0x98, 0x70, 0x00, 0x00, 0x00, 0x30, 0x70, 0xd0, 0xf8, 0x10, 0x00, 0x00, 0x00, 0xf8, 0xc0, 0xf0, 0x18, 0xf0, 0x00, 0x00, 0x00, 0x70, 0xc0, 0xf0, 0xc8, 0x70, 0x00, 0x00, 0x00, 0xf8, 0x18, 0x30, 0x60, 0xc0, 0x00, 0x00, 0x00, 0x70, 0xc8, 0x70, 0xc8, 0x70, 0x00, 0x00, 0x00, 0x70, 0xc8, 0x78, 0x08, 0x70, 0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x60, 0x60, 0x00, 0x00, 0x00, 0x60, 0x60, 0x00, 0x60, 0x20, 0x40, 0x00, 0x00, 0x10, 0x20, 0x40, 0x20, 0x10, 0x00, 0x00, 0x00, 0x00, 0x70, 0x00, 0x70, 0x00, 0x00, 0x00, 0x00, 0x40, 0x20, 0x10, 0x20, 0x40, 0x00, 0x00, 0x00, 0x78, 0x18, 0x30, 0x00, 0x30, 0x00, 0x00, 0x00, 0x70, 0xa8, 0xb8, 0x80, 0x70, 0x00, 0x00, 0x00, 0x70, 0xc8, 0xc8, 0xf8, 0xc8, 0x00, 0x00, 0x00, 0xf0, 0xc8, 0xf0, 0xc8, 0xf0, 0x00, 0x00, 0x00, 0x70, 0xc8, 0xc0, 0xc8, 0x70, 0x00, 0x00, 0x00, 0xf0, 0xc8, 0xc8, 0xc8, 0xf0, 0x00, 0x00, 0x00, 0xf8, 0xc0, 0xf0, 0xc0, 0xf8, 0x00, 0x00, 0x00, 0xf8, 0xc0, 0xf0, 0xc0, 0xc0, 0x00, 0x00, 0x00, 0x78, 0xc0, 0xd8, 0xc8, 0x78, 0x00, 0x00, 0x00, 0xc8, 0xc8, 0xf8, 0xc8, 0xc8, 0x00, 0x00, 0x00, 0x78, 0x30, 0x30, 0x30, 0x78, 0x00, 0x00, 0x00, 0xf8, 0x18, 0x18, 0xd8, 0x70, 0x00, 0x00, 0x00, 0xc8, 0xd0, 0xe0, 0xd0, 0xc8, 0x00, 0x00, 0x00, 0xc0, 0xc0, 0xc0, 0xc0, 0xf8, 0x00, 0x00, 0x00, 0xd8, 0xf8, 0xf8, 0xa8, 0x88, 0x00, 0x00, 0x00, 0xc8, 0xe8, 0xf8, 0xd8, 0xc8, 0x00, 0x00, 0x00, 0x70, 0xc8, 0xc8, 0xc8, 0x70, 0x00, 0x00, 0x00, 0xf0, 0xc8, 0xc8, 0xf0, 0xc0, 0x00, 0x00, 0x00, 0x70, 0xc8, 0xc8, 0xc8, 0x70, 0x08, 0x00, 0x00, 0xf0, 0xc8, 0xc8, 0xf0, 0xc8, 0x00, 0x00, 0x00, 0x78, 0xe0, 0x70, 0x38, 0xf0, 0x00, 0x00, 0x00, 0x78, 0x30, 0x30, 0x30, 0x30, 0x00
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memcpy(tic80->memory->font.data, Font, sizeof(tic_font));
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}
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return &tic80->tic;
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}
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return NULL;
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}
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TIC80_API void tic80_load(tic80* tic, void* cart, s32 size)
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{
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tic80_local* tic80 = (tic80_local*)tic;
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tic80->tic.sound.count = tic80->memory->samples.size/sizeof(s16);
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tic80->tic.sound.samples = tic80->memory->samples.buffer;
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{
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tic80->tickData.error = onError;
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tic80->tickData.trace = onTrace;
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tic80->tickData.exit = onExit;
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tic80->tickData.data = tic80;
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tic80->tickData.start = 0;
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tic80->tickData.freq = getFreq;
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tic80->tickData.counter = getCounter;
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TickCounter = 0;
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}
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{
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tic80->memory->api.load(&tic80->memory->cart, cart, size, true);
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tic80->memory->api.reset(tic80->memory);
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}
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}
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static u32* srcPaletteBlit(const u8* src)
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{
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static u32 pal[TIC_PALETTE_SIZE] = { 0 };
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memset(pal, 0xff, sizeof pal);
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u8* dst = (u8*)pal;
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const u8* end = src + sizeof(tic_palette);
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enum { RGB = sizeof(tic_rgb) };
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for (; src != end; dst++, src += RGB)
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for (s32 j = 0; j < RGB; j++)
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*dst++ = *(src + (RGB - 1) - j);
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return pal;
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}
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static u32* paletteBlit(tic_mem* memory)
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{
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return srcPaletteBlit(memory->ram.vram.palette.data);
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}
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static void blit(tic80* tic)
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{
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tic80_local* tic80 = (tic80_local*)tic;
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u32* screen = tic->screen;
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u32* border = tic->border;
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tic->offset.x = tic80->memory->ram.vram.vars.offset.x;
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tic->offset.y = tic80->memory->ram.vram.vars.offset.y;
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for (s32 r = 0, pos = 0; r < TIC80_HEIGHT; r++, screen += TIC80_WIDTH)
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{
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tic80->memory->api.scanline(tic80->memory, r);
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const u32* pal = paletteBlit(tic80->memory);
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tic->offset.rows[r] = tic80->memory->ram.vram.vars.offset.x;
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*border++ = pal[tic_tool_peek4(tic80->memory->ram.vram.mapping, tic80->memory->ram.vram.vars.border & 0xf)];
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for (u32* ptr = screen, c = 0; c < TIC80_WIDTH; c++, ptr++)
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*ptr = pal[tic_tool_peek4(tic80->memory->ram.vram.screen.data, pos++)];
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}
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}
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TIC80_API void tic80_tick(tic80* tic, tic80_input input)
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{
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tic80_local* tic80 = (tic80_local*)tic;
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tic80->memory->ram.vram.input.gamepad.data = input.data;
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tic80->memory->api.tick_start(tic80->memory, &tic80->memory->ram.sound);
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tic80->memory->api.tick(tic80->memory, &tic80->tickData);
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tic80->memory->api.tick_end(tic80->memory);
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blit(tic);
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TickCounter++;
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}
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TIC80_API void tic80_delete(tic80* tic)
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{
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tic80_local* tic80 = (tic80_local*)tic;
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tic_close(tic80->memory);
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free(tic80);
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}
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