mega65.h

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// Copyright 2023 LLVM-MOS Project
// Licensed under the Apache License, Version 2.0 with LLVM Exceptions.
// See https://github.com/llvm-mos/llvm-mos-sdk/blob/main/LICENSE for license
// information.
 
#ifndef _MEGA65_H
#define _MEGA65_H
 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
#ifdef __clang__
#pragma clang diagnostic push
#pragma clang diagnostic ignored "-Wgnu-anonymous-struct"
#pragma clang diagnostic ignored "-Wnested-anon-types"
#pragma clang diagnostic ignored "-Wgnu-binary-literal"
#pragma clang diagnostic ignored "-Wfixed-enum-extension"
#endif
 
#include <_45E100.h>
#include <_6526.h>
#include <_sid.h>
#include <_vic2.h>
#include <_vic3.h>
#include <_vic4.h>
 
struct __hypervisor {
  union {
    uint8_t htrap[64];
    struct {
      uint8_t rega; // 0xD640
      uint8_t regx;    // 0xD641
      uint8_t unused1; // 0xD642
      uint8_t regz; // 0xD643
      uint8_t regb; // 0xD644
      uint8_t spl; // 0xD645
      uint8_t sph; // 0xD646
      uint8_t pflags; // 0xD647
      uint8_t pcl; // 0xD648
      uint8_t pch;     // 0xD649
      uint8_t maplo1;  // 0xD64A
      uint8_t maplo2;  // 0xD64B
      uint8_t maphi1;  // 0xD64C
      uint8_t maphi2;  // 0xD64D
      uint8_t maplomb; // 0xD64E
      uint8_t maphimb; // 0xD64F
      uint8_t port00; // 0xD650
      uint8_t port01;     // 0xD651
      uint8_t vicmode;    // 0xD652
      uint8_t dma_src_mb; // 0xD653
      uint8_t dma_dst_hb; // 0xD654
      uint32_t dmaladdr;   // 0xD655
      uint8_t vflop;       // 0xD659
      uint8_t unused2[22]; // 0xD65A
      uint8_t georambase; // 0xD670
      uint8_t georammask; // 0xD671
      uint8_t matrixen;   // 0xD672
      uint8_t unused3[9]; // 0xD673
      uint8_t uartdata; // 0xD67C
      uint8_t watchdog; // 0xD67D
      uint8_t hicked; // 0xD67E
      uint8_t enterexit; // 0xD67F
    };
  };
};
#ifdef __cplusplus
static_assert(sizeof(struct __hypervisor) == 64);
#endif
 
struct __cpu_math {
  union {
    uint8_t divout_fract8;  
    uint16_t divout_fract16;
    uint32_t divout_fract32;
  };
  union {
    uint8_t divout_whole8;  
    uint16_t divout_whole16;
    uint32_t divout_whole32;
  };
  union {
    uint8_t multina8;   
    uint16_t multina16; 
    uint32_t multina32; 
  };
  union {
    uint8_t multinb8;   
    uint16_t multinb16; 
    uint32_t multinb32; 
  };
  union {
    uint8_t multout8;
    uint16_t multout16;
    uint32_t multout32;
#ifdef __clang__
    uint64_t multout64;
#endif
    uint8_t multout[8];
  };
  uint32_t mathin[16]; 
};
#ifdef __cplusplus
static_assert(sizeof(__cpu_math) == 88);
#endif
 
struct __color_palette {
  uint8_t red[256];   
  uint8_t green[256]; 
  uint8_t blue[256];  
};
 
#define CPU_PORTDDR (*(volatile uint8_t *)0x0000)
#define CPU_PORT (*(volatile uint8_t *)0x0001)
#define DEFAULT_SCREEN (*(volatile uint8_t *)0x0800)
#define VICII (*(volatile struct __vic2 *)0xd000)
#define VICIV (*(volatile struct __vic4 *)0xd000)
#define PALETTE (*(volatile struct __color_palette *)0xd100)
#define SID1 (*(volatile struct __sid *)0xd400)
#define SID2 (*(volatile struct __sid *)0xd420)
#define SID3 (*(volatile struct __sid *)0xd440)
#define SID4 (*(volatile struct __sid *)0xd460)
#define SIDMODE (*(volatile uint8_t *)0xd63c)
#define HYPERVISOR (*(volatile struct __hypervisor *)0xd640)
#define ETHERNET (*(volatile struct __45E100 *)0xd6e0)
#define MATHBUSY (*(volatile uint8_t *)0xd70f)
#define MATH (*(volatile struct __cpu_math *)0xd768)
#define CIA1 (*(volatile struct __6526 *)0xdc00)
#define CIA2 (*(volatile struct __6526 *)0xdd00)
 
enum
#ifdef __clang__
    : uint8_t
#endif
{
  COLOR_BLACK = 0x00,
  COLOR_WHITE = 0x01,
  COLOR_RED = 0x02,
  COLOR_CYAN = 0x03,
  COLOR_PURPLE = 0x04,
  COLOR_GREEN = 0x05,
  COLOR_BLUE = 0x06,
  COLOR_YELLOW = 0x07,
  COLOR_ORANGE = 0x08,
  COLOR_BROWN = 0x09,
  COLOR_LIGHTRED = 0x0A,
  COLOR_DARKGREY = 0x0B,
  COLOR_MIDGREY = 0x0C,
  COLOR_LIGHTGREEN = 0x0D,
  COLOR_LIGHTBLUE = 0x0E,
  COLOR_LIGHTGREY = 0x0F,
  COLOR_GURUMEDITATION = 0x10,
  COLOR_RAMBUTAN = 0x11,
  COLOR_CARROT = 0x12,
  COLOR_LEMONTART = 0x13,
  COLOR_PANDAN = 0x14,
  COLOR_SEASICKGREEN = 0x15,
  COLOR_SOYLENTGREEN = 0x16,
  COLOR_SLIMERGREEN = 0x17,
  COLOR_THEOTHERCYAN = 0x18,
  COLOR_SEASKY = 0x19,
  COLOR_SMURFBLUE = 0x1A,
  COLOR_SCREENOFDEATH = 0x1B,
  COLOR_PLUMSAUCE = 0x1C,
  COLOR_SOURGRAPE = 0x1D,
  COLOR_BUBBLEGUM = 0x1E,
  COLOR_HOTTAMALES = 0x1F
};
 
#ifdef __clang__
#pragma clang diagnostic pop
#endif
 
#ifdef __cplusplus
} // extern block
#endif
#endif // _MEGA65_H