f256/f256lib/f256.h

173 lines
4.3 KiB
C

/*
* Copyright (c) 2024 Scott Duensing, scott@kangaroopunch.com
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#ifndef F256_H
#define F256_H
#ifdef __cplusplus
extern "C"
{
#endif
#include <stdlib.h>
#include "stddclmr.h"
#include "api.h"
#include "f256_dma.h"
#include "f256_intmath.h"
#include "f256_irq.h"
#include "f256jr.h"
#include "f256_rtc.h"
#include "f256_sprites.h"
#include "f256_tiles.h"
#include "f256_timers.h"
#include "f256_via.h"
#include "f256_xymath.h"
typedef unsigned char byte;
typedef unsigned char bool;
#define true 1
#define false 0
// Our stuff.
#define SWAP_SLOT MMU_MEM_BANK_5
// This is an attempt to allow us to free up slot 5 and use slot 6 for paging
// RAM in and out. ***TODO*** Currently, it does not work.
#if SWAP_SLOT == MMU_MEM_BANK_6
#define SWAP_IO_SETUP() \
byte sios_mmu = PEEK(MMU_IO_CTRL); \
byte sios_ram = PEEK(MMU_MEM_BANK_6); \
({ \
asm("sei"); \
POKE(MMU_IO_CTRL, 4); \
})
#define SWAP_IO_SHUTDOWN() ({ \
POKE(MMU_MEM_BANK_6, sios_ram); \
POKE(MMU_IO_CTRL, sios_mmu); \
asm("cli"); \
})
#elif SWAP_SLOT == MMU_MEM_BANK_7
#define SWAP_IO_SETUP() asm("sei");
#define SWAP_IO_SHUTDOWN() asm("cli");
#else
#define SWAP_IO_SETUP()
#define SWAP_IO_SHUTDOWN()
#endif
#define SWAP_ADDR ((uint16_t)(SWAP_SLOT - MMU_MEM_BANK_0) * (uint16_t)0x2000)
// Things not in the Merlin defs.
#define TEXT_MATRIX 0xc000 // I/O Page 2
#define RAST_ROW_L 0xd01a
#define RAST_ROW_H 0xd01b
#define VKY_TS0_SQUARE (VKY_TS0_ADDR_H+1)
#define VKY_TS1_SQUARE (VKY_TS1_ADDR_H+1)
#define VKY_TS2_SQUARE (VKY_TS2_ADDR_H+1)
#define VKY_TS3_SQUARE (VKY_TS3_ADDR_H+1)
#define VKY_TS4_SQUARE (VKY_TS4_ADDR_H+1)
#define VKY_TS5_SQUARE (VKY_TS5_ADDR_H+1)
#define VKY_TS6_SQUARE (VKY_TS6_ADDR_H+1)
#define VKY_TS7_SQUARE (VKY_TS7_ADDR_H+1)
#define JOY_UP 1
#define JOY_DOWN 2
#define JOY_LEFT 4
#define JOY_RIGHT 8
#define JOY_BUTTON_1 16
#define JOY_BUTTON_2 32
#define JOY_BUTTON_3 64
typedef struct colorS {
byte r;
byte g;
byte b;
} colorT;
// Single-byte
#define PEEK(addy) ((byte)*(volatile byte *)(addy))
#define POKE(addy, value) (*(volatile byte *)(addy) = (value))
// Word (two bytes)
#define PEEKW(addy) ((uint16_t)*(volatile uint16_t *)(addy))
#define POKEW(addy, value) (*(volatile uint16_t *)(addy) = (value))
// Address (three bytes)
//#define PEEKA
#define POKEA(addy, value) POKE(addy, value & 0xFF); POKE(addy + 1, (value >> 8) & 0xFF); POKE(addy + 2, (value >> 16) & 0xFF)
// Double-word (four bytes)
#define PEEKD(addy) ((uint32_t)*(volatile uint32_t *)(addy))
#define POKED(addy,value) (*(volatile uint32_t *)(addy) = (value))
// Bit fun.
#define LOW_BYTE(v) ((byte)(x))
#define HIGH_BYTE(v) ((byte)(((uint16_t)(x)) >> 8))
#define SWAP_NIBBLES(x) ((x & 0x0F) << 4 | (x & 0xF0) >> 4)
#define CHECK_BIT(x, pos) (x & (1UL << pos))
#define TOGGLE_BIT(x, pos) (x ^= (1U << pos))
#define CLEAR_BIT(x, pos) (x &= (~(1U << pos)))
#define SET_BIT(x, pos) (x |= (1U << pos))
void f256Init(void);
byte FAR_PEEK(uint32_t address);
void FAR_POKE(uint32_t address, byte value);
#include "kernel.h"
#include "dma.h"
#include "math.h"
#include "random.h"
#include "text.h"
#include "bitmap.h"
#include "tile.h"
#include "graphics.h"
#include "sprite.h"
#ifdef __cplusplus
}
#endif
#endif // F256_H