146 lines
3.6 KiB
C
146 lines
3.6 KiB
C
/*
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* Copyright (c) 2024 Scott Duensing, scott@kangaroopunch.com
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*
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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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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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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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*/
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#ifndef WITHOUT_TILE
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#ifndef F256LIB_AMALGAMATED_BUILD
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#include "f_tile.h"
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#endif
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static byte _tileSize[3];
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void tileDefineTileMap(byte t, uint32_t address, byte tileSize, uint16_t mapSizeX, uint16_t mapSizeY) {
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// Map size is 10 bits. Docs are wrong.
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_tileSize[t] = tileSize;
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switch (t) {
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case 0:
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POKEA(VKY_TM0_ADDR_L, address);
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POKEW(VKY_TM0_SIZE_X, mapSizeX);
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POKEW(VKY_TM0_SIZE_Y, mapSizeY);
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break;
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case 1:
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POKEA(VKY_TM1_ADDR_L, address);
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POKEW(VKY_TM1_SIZE_X, mapSizeX);
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POKEW(VKY_TM1_SIZE_Y, mapSizeY);
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break;
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case 2:
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POKEA(VKY_TM2_ADDR_L, address);
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POKEW(VKY_TM2_SIZE_X, mapSizeX);
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POKEW(VKY_TM2_SIZE_Y, mapSizeY);
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break;
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}
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tileSetScroll(t, 0, 0, 0, 0);
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}
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void tileDefineTileSet(byte t, uint32_t address, bool square) {
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switch (t) {
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case 0:
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POKEA(VKY_TS0_ADDR_L, address);
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POKE(VKY_TS0_SQUARE, square << 3);
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break;
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case 1:
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POKEA(VKY_TS1_ADDR_L, address);
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POKE(VKY_TS1_SQUARE, square << 3);
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break;
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case 2:
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POKEA(VKY_TS2_ADDR_L, address);
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POKE(VKY_TS2_SQUARE, square << 3);
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break;
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case 3:
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POKEA(VKY_TS3_ADDR_L, address);
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POKE(VKY_TS3_SQUARE, square << 3);
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break;
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case 4:
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POKEA(VKY_TS4_ADDR_L, address);
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POKE(VKY_TS4_SQUARE, square << 3);
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break;
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case 5:
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POKEA(VKY_TS5_ADDR_L, address);
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POKE(VKY_TS5_SQUARE, square << 3);
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break;
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case 6:
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POKEA(VKY_TS6_ADDR_L, address);
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POKE(VKY_TS6_SQUARE, square << 3);
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break;
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case 7:
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POKEA(VKY_TS7_ADDR_L, address);
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POKE(VKY_TS7_SQUARE, square << 3);
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break;
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}
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}
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void tileSetScroll(byte t, byte xPixels, uint16_t xTiles, byte yPixels, uint16_t yTiles) {
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uint16_t scrollX = (xTiles << 4) + xPixels;
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uint16_t scrollY = (yTiles << 4) + yPixels;
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switch (t) {
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case 0:
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POKEW(VKY_TM0_POS_X_L, scrollX);
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POKEW(VKY_TM0_POS_Y_L, scrollY);
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break;
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case 1:
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POKEW(VKY_TM1_POS_X_L, scrollX);
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POKEW(VKY_TM1_POS_Y_L, scrollY);
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break;
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case 2:
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POKEW(VKY_TM2_POS_X_L, scrollX);
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POKEW(VKY_TM2_POS_Y_L, scrollY);
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break;
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}
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}
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void tileSetVisible(byte t, bool v) {
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switch (t) {
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case 0:
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POKE(VKY_TM0_CTRL, ((_tileSize[0] == 8 ? 1 : 0) << 4) | v);
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break;
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case 1:
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POKE(VKY_TM1_CTRL, ((_tileSize[1] == 8 ? 1 : 0) << 4) | v);
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break;
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case 2:
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POKE(VKY_TM2_CTRL, ((_tileSize[2] == 8 ? 1 : 0) << 4) | v);
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break;
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}
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}
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void tileReset(void) {
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// All maps 8x8 by default.
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_tileSize[0] = 8;
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_tileSize[1] = 8;
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_tileSize[2] = 8;
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// Hide all tilemaps.
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tileSetVisible(0, false);
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tileSetVisible(1, false);
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tileSetVisible(2, false);
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}
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#endif
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