#ifndef _IBM_H_
#define _IBM_H_
#include <stdio.h>
#include <stdint.h>
#include <string.h>

#include "timer.h"

#include <pcem/defines.h>
#include <pcem/logging.h>

#ifdef ABS
#undef ABS
#endif

#define ABS(x)    ((x) > 0 ? (x) : -(x))
#define MAX(a, b) (((a) > (b)) ? (a) : (b))

#define READFLASH_FDC 0
#define READFLASH_HDC 4
#define readflash_set(offset, drive) readflash |= 1<<((offset)+(drive))
#define readflash_clear(offset, drive) readflash &= ~(1<<((offset)+(drive)))
#define readflash_get(offset, drive) ((readflash&(1<<((offset)+(drive)))) != 0)

/*Memory*/
uint8_t *ram;

uint32_t rammask;

int readlookup[256], readlookupp[256];
uintptr_t *readlookup2;
int readlnext;
int writelookup[256], writelookupp[256];
uintptr_t *writelookup2;
int writelnext;

extern int mmu_perm;

uint8_t readmembl(uint32_t addr);
void writemembl(uint32_t addr, uint8_t val);
uint16_t readmemwl(uint32_t addr);
void writememwl(uint32_t addr, uint16_t val);
uint32_t readmemll(uint32_t addr);
void writememll(uint32_t addr, uint32_t val);
uint64_t readmemql(uint32_t addr);
void writememql(uint32_t addr, uint64_t val);

uint8_t *getpccache(uint32_t a);

uint32_t mmutranslatereal(uint32_t addr, int rw);

void addreadlookup(uint32_t virt, uint32_t phys);
void addwritelookup(uint32_t virt, uint32_t phys);

/*IO*/
uint8_t inb(uint16_t port);
void outb(uint16_t port, uint8_t val);
uint16_t inw(uint16_t port);
void outw(uint16_t port, uint16_t val);
uint32_t inl(uint16_t port);
void outl(uint16_t port, uint32_t val);

FILE *romfopen(char *fn, char *mode);
extern int mem_size;
extern int readlnum, writelnum;

/*Processor*/
extern int ins, output, timetolive;

extern int cycles_lost;

/*Timer*/
typedef struct PIT_nr {
	int nr;
	struct PIT *pit;
} PIT_nr;

typedef struct PIT {
	uint32_t l[3];
	pc_timer_t timer[3];
	uint8_t m[3];
	uint8_t ctrl, ctrls[3];
	int wp, rm[3], wm[3];
	uint16_t rl[3];
	int thit[3];
	int delay[3];
	int rereadlatch[3];
	int gate[3];
	int out[3];
	int running[3];
	int enabled[3];
	int newcount[3];
	int count[3];
	int using_timer[3];
	int initial[3];
	int latched[3];
	int disabled[3];

	uint8_t read_status[3];
	int do_read_status[3];

	PIT_nr pit_nr[3];

	void (*set_out_funcs[3])(int new_out, int old_out);
} PIT;

PIT pit, pit2;
void setpitclock(float clock);

float pit_timer0_freq();

#define cpu_rm  cpu_state.rm_data.rm_mod_reg.rm
#define cpu_mod cpu_state.rm_data.rm_mod_reg.mod
#define cpu_reg cpu_state.rm_data.rm_mod_reg.reg

/*DMA*/
typedef struct dma_t {
	uint32_t ab, ac;
	uint16_t cb;
	int cc;
	int wp;
	uint8_t m, mode;
	uint8_t page;
	uint8_t stat, stat_rq;
	uint8_t command;
	int size;

	uint8_t ps2_mode;
	uint8_t arb_level;
	uint16_t io_addr;
} dma_t;

dma_t dma[8];

/*PPI*/
typedef struct PPI {
	int s2;
	uint8_t pa, pb;
} PPI;

PPI ppi;

/*PIC*/
typedef struct PIC {
	uint8_t icw1, icw4, mask, ins, pend, mask2;
	int icw;
	uint8_t vector;
	int read;
	uint8_t level_sensitive;
} PIC;

PIC pic, pic2;
extern int pic_intpending;

char discfns[2][256];
int driveempty[2];

#define PCJR (romset == ROM_IBMPCJR)

int GAMEBLASTER, GUS, SSI2001, voodoo_enabled;
extern int AMSTRAD, AT, is386, PCI, TANDY, MCA;

enum {
	ROM_IBMPC = 0,
	ROM_IBMXT,
	ROM_IBMPCJR,
	ROM_GENXT,      /*'Generic XT BIOS'*/
	ROM_CBM_PC10,
	ROM_SUPER16T,
	ROM_SUPER16TE,
	ROM_DTKXT,
	ROM_EUROPC,
	ROM_OLIM24,
	ROM_TANDY,
	ROM_PC1512,
	ROM_PC200,
	ROM_PC1640,
	ROM_PC2086,
	ROM_PC3086,
	ROM_AMIXT,      /*XT Clone with AMI BIOS*/
	ROM_LTXT,
	ROM_LXT3,
	ROM_PX386,
	ROM_DTK386,
	ROM_PXXT,
	ROM_JUKOPC,
	ROM_TANDY1000HX,
	ROM_TANDY1000SL2,
	ROM_IBMAT,
	ROM_CMDPC30,
	ROM_AMI286,
	ROM_TG286M,
	ROM_AWARD286,
	ROM_GDC212M,
	ROM_GW286CT,
	ROM_SPC4200P,
	ROM_SPC4216P,
	ROM_SPC4620P,
	ROM_DELL200,
	ROM_MISC286,
	ROM_IBMAT386,
	ROM_ACER386,
	ROM_KMXC02,
	ROM_MEGAPC,
	ROM_AMA932J,
	ROM_AMI386SX,
	ROM_SPC6000A,
	ROM_SPC6033P,
	ROM_AMI486,
	ROM_WIN486,
	ROM_PCI486,
	ROM_SIS496,
	ROM_P55VA,   /* Epox P55-VA/430VX/Award/SMC FDC37C932FR*/
	ROM_P55TVP4, /* ASUS P/I-P55TVP4/430VX/Award/Winbond W8387F*/
	ROM_430VX,
	ROM_ENDEAVOR,
	ROM_REVENGE,
	ROM_IBMPS1_2011,
	ROM_DESKPRO_386,
	ROM_IBMPS1_2121,
	ROM_AMI386DX_OPTI495,
	ROM_MR386DX_OPTI495,
	ROM_P55T2P4, /* ASUS P/I-P55T2P4/430HX/Award/Winbond W8387F*/
	ROM_IBMPS2_M30_286,
	ROM_IBMPS2_M50,
	ROM_IBMPS2_M55SX,
	ROM_IBMPS2_M80,
	ROM_ATARIPC3,
	ROM_IBMXT286,
	ROM_EPSON_PCAX,
	ROM_EPSON_PCAX2E,
	ROM_EPSON_PCAX3,
	ROM_T3100E,
	ROM_T1000,
	ROM_T1200,
	ROM_PB_L300SX,
	ROM_NCR_PC4I,
	ROM_TO16_PC,
	ROM_COMPAQ_PII,
	ROM_ELX_PC425X,
	ROM_PB570,
	ROM_ZAPPA,
	ROM_PB520R,
	ROM_COMPAQ_PIP,
	ROM_XI8088,
	ROM_IBMPS2_M70_TYPE3,
	ROM_IBMPS2_M70_TYPE4,
	ROM_TULIP_TC7,
	ROM_ZD_SUPERS,   /* [8088] Zenith Data Systems SupersPort */
	ROM_PB410A,
	ROM_PPC512,
	ROM_BULL_MICRAL_45,
	ROM_FIC_VA503P,
	ROM_CBM_SL386SX25,
	ROM_IBMPS1_2133_451,
	ROM_ECS_386_32,
	ROM_LEDGE_MODELM,
	ROM_HYUNDAI_SUPER286TR,
	ROM_ITAUTEC_INFOWAYM,
	ROM_DESKPRO,
	ROM_VS440FX,
	ROM_GA686BX,
	ROM_PC5086,

	ROM_BUILTIN_MAX,
};

extern int romspresent[ROM_MAX];

int hasfpu;
int romset;

enum {
	GFX_BUILTIN = -1,
	GFX_CGA = 0,
	GFX_MDA,
	GFX_HERCULES,
	GFX_EGA,        /*Using IBM EGA BIOS*/
	GFX_TVGA,       /*Using Trident TVGA8900D BIOS*/
	GFX_ET4000,     /*Tseng ET4000*/
	GFX_KASAN16VGA, /*Kasan Hangulmadang-16 (Tseng ET4000AX)*/
	GFX_TGKOREANVGA, /*Trigem Korean VGA(Tseng ET4000AX)*/
	GFX_ET4000W32,  /*Tseng ET4000/W32p (Diamond Stealth 32)*/
	GFX_BAHAMAS64,  /*S3 Vision864 (Paradise Bahamas 64)*/
	GFX_N9_9FX,     /*S3 764/Trio64 (Number Nine 9FX)*/
	GFX_VIRGE,      /*S3 Virge*/
	GFX_TGUI9440,   /*Trident TGUI9440*/
	GFX_VGA,        /*IBM VGA*/
	GFX_VGAEDGE16,  /*ATI VGA Edge-16 (18800-1)*/
	GFX_ATIKOREANVGA, /*ATI Korean VGA (28800-5)*/
	GFX_VGACHARGER, /*ATI VGA Charger (28800-5)*/
	GFX_OTI067,     /*Oak OTI-067*/
	GFX_MACH64GX,   /*ATI Graphics Pro Turbo (Mach64)*/
	GFX_CL_GD5429,  /*Cirrus Logic CL-GD5429*/
	GFX_VIRGEDX,    /*S3 Virge/DX*/
	GFX_PHOENIX_TRIO32, /*S3 732/Trio32 (Phoenix)*/
	GFX_PHOENIX_TRIO64, /*S3 764/Trio64 (Phoenix)*/
	GFX_INCOLOR,        /* Hercules InColor */
	GFX_COLORPLUS,        /* Plantronics ColorPlus */
	GFX_WY700,        /* Wyse 700 */
	GFX_GENIUS,        /* MDSI Genius */
	GFX_MACH64VT2,  /*ATI Mach64 VT2*/
	GFX_OLIVETTI_GO481, /*Olivetti GO481 PVGA1A*/
	GFX_TGUI9400CXI, /*Trident TGUI9440CXi*/
	GFX_CL_GD5430,  /*Cirrus Logic CL-GD5430*/
	GFX_CL_GD5434,  /*Cirrus Logic CL-GD5434*/
	GFX_OTI037,     /*Oak OTI-037*/
	GFX_COMPAQ_CGA,        /*Compaq CGA*/
	GFX_SIGMA400,        /*Sigma Designs Color 400 */
	GFX_PGC,        /*Professional Graphics Controller */
	GFX_IM1024,        /*Vermont Microsystems IM1024 */
	GFX_EGAWONDER800, /*ATI EGA Wonder 800+*/
	GFX_MYSTIQUE,   /*Matrox Mystique*/
	GFX_AVGA2,      /*Acumos AVGA2 / Cirrus Logic CL-GD5402*/
	GFX_CL_GD5428,  /*Cirrus Logic CL-GD5428*/
	GFX_IBM_GD5428, /*IBM 1MB SVGA Adapter/A*/
	GFX_TVGA9000B,  /*Trident TVGA9000B*/
	GFX_BANSHEE,    /*Voodoo Banshee - reference PCI board with SGRAM*/
	GFX_CL_BANSHEE, /*Creative Labs Voodoo Blaster Banshee PCI - with SDRAM*/
	GFX_VOODOO_3_2000, /*Voodoo 3 2000*/
	GFX_VOODOO_3_3000, /*Voodoo 3 3000*/
	GFX_MILLENNIUM, /*Matrox Millennium*/

	GFX_BUILTIN_MAX,
};

extern int gfx_present[GFX_MAX];

int gfxcard;

int cpuspeed;

/*Video*/
int readflash;
extern int egareads, egawrites;
extern int vid_resize;
extern int vid_api;
extern int winsizex, winsizey;

extern int changeframecount;

/*Sound*/
int ppispeakon;
extern uint64_t CGACONST;
extern uint64_t MDACONST;
extern uint64_t VGACONST1, VGACONST2;
extern uint64_t RTCCONST;
int gated, speakval, speakon;


/*Sound Blaster*/
#define SADLIB    1     /*No DSP*/
#define SB1       2     /*DSP v1.05*/
#define SB15      3     /*DSP v2.00*/
#define SB2       4     /*DSP v2.01 - needed for high-speed DMA*/
#define SBPRO     5     /*DSP v3.00*/
#define SBPRO2    6     /*DSP v3.02 + OPL3*/
#define SB16      7     /*DSP v4.05 + OPL3*/
#define SADGOLD   8     /*AdLib Gold*/
#define SND_WSS   9     /*Windows Sound System*/
#define SND_PAS16 10    /*Pro Audio Spectrum 16*/

/*Hard disc*/

typedef struct {
	FILE *f;
	int spt, hpc; /*Sectors per track, heads per cylinder*/
	int tracks;
} PcemHDC;

PcemHDC hdc[7];

/*Keyboard*/
int keybsenddelay;

/*CD-ROM*/
extern int cdrom_drive;
extern int old_cdrom_drive;
extern int idecallback[2];

#define CD_STATUS_EMPTY                0
#define CD_STATUS_DATA_ONLY        1
#define CD_STATUS_PLAYING        2
#define CD_STATUS_PAUSED        3
#define CD_STATUS_STOPPED        4

extern uint32_t atapi_get_cd_volume(int channel);

extern int nmi;
extern int nmi_auto_clear;

extern float isa_timing, bus_timing;

uint64_t timer_read();
extern uint64_t timer_freq;

void loadconfig(char *fn);
extern int config_override;

extern int infocus;

void onesec();

void resetpc_cad();

extern int start_in_fullscreen;
extern int window_w, window_h, window_x, window_y, window_remember;

void startblit();
void endblit();

void set_window_title(const char *s);

void updatewindowsize(int x, int y);

void initpc(int argc, char *argv[]);
void runpc();
void closepc();
void resetpc();
void resetpchard();
void speedchanged();

void saveconfig(char *fn);
void saveconfig_global_only();

#define UNUSED(x) (void)x

#define MIN(a, b) ((a) < (b) ? (a) : (b))

void ide_padstr(char *str, const char *src, int len);

void stop_emulation_now(void);

#endif /* _IBM_H_ */
