173 lines
4.3 KiB
C
173 lines
4.3 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 F256_H
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#define F256_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include <stdlib.h>
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#include "stddclmr.h"
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#include "api.h"
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#include "f256_dma.h"
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#include "f256_intmath.h"
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#include "f256_irq.h"
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#include "f256jr.h"
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#include "f256_rtc.h"
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#include "f256_sprites.h"
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#include "f256_tiles.h"
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#include "f256_timers.h"
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#include "f256_via.h"
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#include "f256_xymath.h"
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typedef unsigned char byte;
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typedef unsigned char bool;
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#define true 1
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#define false 0
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// Our stuff.
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#define SWAP_SLOT MMU_MEM_BANK_5
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// This is an attempt to allow us to free up slot 5 and use slot 6 for paging
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// RAM in and out. ***TODO*** Currently, it does not work.
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#if SWAP_SLOT == MMU_MEM_BANK_6
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#define SWAP_IO_SETUP() \
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byte sios_mmu = PEEK(MMU_IO_CTRL); \
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byte sios_ram = PEEK(MMU_MEM_BANK_6); \
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({ \
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asm("sei"); \
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POKE(MMU_IO_CTRL, 4); \
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})
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#define SWAP_IO_SHUTDOWN() ({ \
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POKE(MMU_MEM_BANK_6, sios_ram); \
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POKE(MMU_IO_CTRL, sios_mmu); \
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asm("cli"); \
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})
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#elif SWAP_SLOT == MMU_MEM_BANK_7
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#define SWAP_IO_SETUP() asm("sei");
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#define SWAP_IO_SHUTDOWN() asm("cli");
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#else
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#define SWAP_IO_SETUP()
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#define SWAP_IO_SHUTDOWN()
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#endif
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#define SWAP_ADDR ((uint16_t)(SWAP_SLOT - MMU_MEM_BANK_0) * (uint16_t)0x2000)
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// Things not in the Merlin defs.
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#define TEXT_MATRIX 0xc000 // I/O Page 2
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#define RAST_ROW_L 0xd01a
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#define RAST_ROW_H 0xd01b
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#define VKY_TS0_SQUARE (VKY_TS0_ADDR_H+1)
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#define VKY_TS1_SQUARE (VKY_TS1_ADDR_H+1)
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#define VKY_TS2_SQUARE (VKY_TS2_ADDR_H+1)
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#define VKY_TS3_SQUARE (VKY_TS3_ADDR_H+1)
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#define VKY_TS4_SQUARE (VKY_TS4_ADDR_H+1)
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#define VKY_TS5_SQUARE (VKY_TS5_ADDR_H+1)
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#define VKY_TS6_SQUARE (VKY_TS6_ADDR_H+1)
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#define VKY_TS7_SQUARE (VKY_TS7_ADDR_H+1)
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#define JOY_UP 1
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#define JOY_DOWN 2
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#define JOY_LEFT 4
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#define JOY_RIGHT 8
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#define JOY_BUTTON_1 16
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#define JOY_BUTTON_2 32
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#define JOY_BUTTON_3 64
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typedef struct colorS {
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byte r;
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byte g;
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byte b;
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} colorT;
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// Single-byte
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#define PEEK(addy) ((byte)*(volatile byte *)(addy))
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#define POKE(addy, value) (*(volatile byte *)(addy) = (value))
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// Word (two bytes)
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#define PEEKW(addy) ((uint16_t)*(volatile uint16_t *)(addy))
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#define POKEW(addy, value) (*(volatile uint16_t *)(addy) = (value))
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// Address (three bytes)
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//#define PEEKA
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#define POKEA(addy, value) POKE(addy, value & 0xFF); POKE(addy + 1, (value >> 8) & 0xFF); POKE(addy + 2, (value >> 16) & 0xFF)
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// Double-word (four bytes)
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#define PEEKD(addy) ((uint32_t)*(volatile uint32_t *)(addy))
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#define POKED(addy,value) (*(volatile uint32_t *)(addy) = (value))
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// Bit fun.
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#define LOW_BYTE(v) ((byte)(x))
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#define HIGH_BYTE(v) ((byte)(((uint16_t)(x)) >> 8))
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#define SWAP_NIBBLES(x) ((x & 0x0F) << 4 | (x & 0xF0) >> 4)
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#define CHECK_BIT(x, pos) (x & (1UL << pos))
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#define TOGGLE_BIT(x, pos) (x ^= (1U << pos))
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#define CLEAR_BIT(x, pos) (x &= (~(1U << pos)))
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#define SET_BIT(x, pos) (x |= (1U << pos))
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void f256Init(void);
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byte FAR_PEEK(uint32_t address);
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void FAR_POKE(uint32_t address, byte value);
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#include "kernel.h"
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#include "dma.h"
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#include "math.h"
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#include "random.h"
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#include "text.h"
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#include "bitmap.h"
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#include "tile.h"
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#include "graphics.h"
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#include "sprite.h"
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#ifdef __cplusplus
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}
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#endif
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#endif // F256_H
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