mirror of https://github.com/aufflick/kegs.git
316 lines
7.0 KiB
C
316 lines
7.0 KiB
C
/************************************************************************/
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/* KEGS: Apple //gs Emulator */
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/* Copyright 2002 by Kent Dickey */
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/* */
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/* This code is covered by the GNU GPL */
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/* */
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/* The KEGS web page is kegs.sourceforge.net */
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/* You may contact the author at: kadickey@alumni.princeton.edu */
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/************************************************************************/
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#ifdef INCLUDE_RCSID_C
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const char rcsid_defc_h[] = "@(#)$KmKId: defc.h,v 1.100 2004-11-09 02:02:07-05 kentd Exp $";
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#endif
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#include "defcomm.h"
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#define STRUCT(a) typedef struct _ ## a a; struct _ ## a
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typedef unsigned char byte;
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typedef unsigned short word16;
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typedef unsigned int word32;
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#if _MSC_VER
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typedef unsigned __int64 word64;
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#else
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typedef unsigned long long word64;
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#endif
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void U_STACK_TRACE();
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/* 28MHz crystal, plus every 65th 1MHz cycle is stretched 140ns */
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#define CYCS_28_MHZ (28636360)
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#define DCYCS_28_MHZ (1.0*CYCS_28_MHZ)
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#define CYCS_3_5_MHZ (CYCS_28_MHZ/8)
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#define DCYCS_1_MHZ ((DCYCS_28_MHZ/28.0)*(65.0*7/(65.0*7+1.0)))
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#define CYCS_1_MHZ ((int)DCYCS_1_MHZ)
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/* #define DCYCS_IN_16MS_RAW (DCYCS_1_MHZ / 60.0) */
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#define DCYCS_IN_16MS_RAW (262.0 * 65.0)
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/* Use precisely 17030 instead of forcing 60 Hz since this is the number of */
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/* 1MHz cycles per screen */
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#define DCYCS_IN_16MS ((double)((int)DCYCS_IN_16MS_RAW))
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#define DRECIP_DCYCS_IN_16MS (1.0 / (DCYCS_IN_16MS))
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#ifdef KEGS_LITTLE_ENDIAN
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# define BIGEND(a) ((((a) >> 24) & 0xff) + \
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(((a) >> 8) & 0xff00) + \
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(((a) << 8) & 0xff0000) + \
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(((a) << 24) & 0xff000000))
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# define GET_BE_WORD16(a) ((((a) >> 8) & 0xff) + (((a) << 8) & 0xff00))
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# define GET_BE_WORD32(a) (BIGEND(a))
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#else
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# define BIGEND(a) (a)
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# define GET_BE_WORD16(a) (a)
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# define GET_BE_WORD32(a) (a)
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#endif
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#define MAXNUM_HEX_PER_LINE 32
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#ifdef __NeXT__
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# include <libc.h>
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#endif
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#ifndef _WIN32
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# include <unistd.h>
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# include <sys/ioctl.h>
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# include <sys/wait.h>
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#endif
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <stdarg.h>
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#ifdef HPUX
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# include <machine/inline.h> /* for GET_ITIMER */
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#endif
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#ifdef SOLARIS
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# include <sys/filio.h>
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#endif
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#ifndef O_BINARY
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/* work around some Windows junk */
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# define O_BINARY 0
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#endif
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STRUCT(Pc_log) {
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double dcycs;
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word32 dbank_kpc;
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word32 instr;
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word32 psr_acc;
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word32 xreg_yreg;
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word32 stack_direct;
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word32 pad;
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};
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STRUCT(Data_log) {
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double dcycs;
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word32 addr;
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word32 val;
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word32 size;
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};
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STRUCT(Event) {
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double dcycs;
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int type;
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Event *next;
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};
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STRUCT(Fplus) {
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double plus_1;
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double plus_2;
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double plus_3;
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double plus_x_minus_1;
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};
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STRUCT(Engine_reg) {
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double fcycles;
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word32 kpc;
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word32 acc;
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word32 xreg;
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word32 yreg;
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word32 stack;
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word32 dbank;
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word32 direct;
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word32 psr;
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Fplus *fplus_ptr;
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};
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STRUCT(Kimage) {
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void *dev_handle;
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void *dev_handle2;
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byte *data_ptr;
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int width_req;
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int width_act;
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int height;
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int depth;
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int mdepth;
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int aux_info;
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};
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typedef byte *Pg_info;
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STRUCT(Page_info) {
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Pg_info rd_wr;
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};
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STRUCT(Cfg_menu) {
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const char *str;
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void *ptr;
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const char *name_str;
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void *defptr;
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int cfgtype;
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};
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STRUCT(Cfg_dirent) {
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char *name;
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int is_dir;
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int size;
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int image_start;
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int part_num;
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};
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STRUCT(Cfg_listhdr) {
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Cfg_dirent *direntptr;
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int max;
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int last;
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int invalid;
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int curent;
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int topent;
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int num_to_show;
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};
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STRUCT(Emustate_intlist) {
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const char *str;
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int *iptr;
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};
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STRUCT(Emustate_dbllist) {
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const char *str;
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double *dptr;
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};
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STRUCT(Emustate_word32list) {
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const char *str;
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word32 *wptr;
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};
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#ifdef __LP64__
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# define PTR2WORD(a) ((unsigned long)(a))
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#else
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# define PTR2WORD(a) ((unsigned int)(a))
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#endif
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#define ALTZP (g_c068_statereg & 0x80)
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/* #define PAGE2 (g_c068_statereg & 0x40) */
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#define RAMRD (g_c068_statereg & 0x20)
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#define RAMWRT (g_c068_statereg & 0x10)
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#define RDROM (g_c068_statereg & 0x08)
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#define LCBANK2 (g_c068_statereg & 0x04)
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#define ROMB (g_c068_statereg & 0x02)
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#define INTCX (g_c068_statereg & 0x01)
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#define C041_EN_25SEC_INTS 0x10
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#define C041_EN_VBL_INTS 0x08
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#define C041_EN_SWITCH_INTS 0x04
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#define C041_EN_MOVE_INTS 0x02
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#define C041_EN_MOUSE 0x01
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/* WARNING: SCC1 and SCC0 interrupts must be in this order for scc.c */
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/* This order matches the SCC hardware */
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#define IRQ_PENDING_SCC1_ZEROCNT 0x00001
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#define IRQ_PENDING_SCC1_TX 0x00002
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#define IRQ_PENDING_SCC1_RX 0x00004
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#define IRQ_PENDING_SCC0_ZEROCNT 0x00008
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#define IRQ_PENDING_SCC0_TX 0x00010
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#define IRQ_PENDING_SCC0_RX 0x00020
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#define IRQ_PENDING_C023_SCAN 0x00100
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#define IRQ_PENDING_C023_1SEC 0x00200
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#define IRQ_PENDING_C046_25SEC 0x00400
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#define IRQ_PENDING_C046_VBL 0x00800
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#define IRQ_PENDING_ADB_KBD_SRQ 0x01000
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#define IRQ_PENDING_ADB_DATA 0x02000
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#define IRQ_PENDING_ADB_MOUSE 0x04000
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#define IRQ_PENDING_DOC 0x08000
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#define EXTRU(val, pos, len) \
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( ( (len) >= (pos) + 1) ? ((val) >> (31-(pos))) : \
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(((val) >> (31-(pos)) ) & ( (1<<(len) ) - 1) ) )
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#define DEP1(val, pos, old_val) \
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(((old_val) & ~(1 << (31 - (pos))) ) | \
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( ((val) & 1) << (31 - (pos))) )
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#define set_halt(val) \
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if(val) { set_halt_act(val); }
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#define clear_halt() \
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clr_halt_act()
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#define GET_PAGE_INFO_RD(page) \
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(page_info_rd_wr[page].rd_wr)
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#define GET_PAGE_INFO_WR(page) \
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(page_info_rd_wr[0x10000 + PAGE_INFO_PAD_SIZE + (page)].rd_wr)
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#define SET_PAGE_INFO_RD(page,val) \
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;page_info_rd_wr[page].rd_wr = (Pg_info)val;
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#define SET_PAGE_INFO_WR(page,val) \
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;page_info_rd_wr[0x10000 + PAGE_INFO_PAD_SIZE + (page)].rd_wr = \
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(Pg_info)val;
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#define VERBOSE_DISK 0x001
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#define VERBOSE_IRQ 0x002
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#define VERBOSE_CLK 0x004
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#define VERBOSE_SHADOW 0x008
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#define VERBOSE_IWM 0x010
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#define VERBOSE_DOC 0x020
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#define VERBOSE_ADB 0x040
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#define VERBOSE_SCC 0x080
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#define VERBOSE_TEST 0x100
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#define VERBOSE_VIDEO 0x200
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#define VERBOSE_MAC 0x400
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#ifdef NO_VERB
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# define DO_VERBOSE 0
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#else
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# define DO_VERBOSE 1
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#endif
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#define disk_printf if(DO_VERBOSE && (Verbose & VERBOSE_DISK)) printf
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#define irq_printf if(DO_VERBOSE && (Verbose & VERBOSE_IRQ)) printf
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#define clk_printf if(DO_VERBOSE && (Verbose & VERBOSE_CLK)) printf
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#define shadow_printf if(DO_VERBOSE && (Verbose & VERBOSE_SHADOW)) printf
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#define iwm_printf if(DO_VERBOSE && (Verbose & VERBOSE_IWM)) printf
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#define doc_printf if(DO_VERBOSE && (Verbose & VERBOSE_DOC)) printf
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#define adb_printf if(DO_VERBOSE && (Verbose & VERBOSE_ADB)) printf
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#define scc_printf if(DO_VERBOSE && (Verbose & VERBOSE_SCC)) printf
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#define test_printf if(DO_VERBOSE && (Verbose & VERBOSE_TEST)) printf
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#define vid_printf if(DO_VERBOSE && (Verbose & VERBOSE_VIDEO)) printf
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#define mac_printf if(DO_VERBOSE && (Verbose & VERBOSE_MAC)) printf
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#define HALT_ON_SCAN_INT 0x001
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#define HALT_ON_IRQ 0x002
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#define HALT_ON_SHADOW_REG 0x004
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#define HALT_ON_C70D_WRITES 0x008
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#define HALT_ON(a, msg) \
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if(Halt_on & a) { \
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halt_printf(msg); \
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}
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#ifndef MIN
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# define MIN(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef MAX
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# define MAX(a,b) (((a) < (b)) ? (b) : (a))
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#endif
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#define GET_ITIMER(dest) dest = get_itimer();
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#include "iwm.h"
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#include "protos.h"
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