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devices.c
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/*
* devices.c - emulation of H:, P:, E: and K: Atari devices
*
* Copyright (C) 1995-1998 David Firth
* Copyright (C) 1998-2005 Atari800 development team (see DOC/CREDITS)
*
* This file is part of the Atari800 emulator project which emulates
* the Atari 400, 800, 800XL, 130XE, and 5200 8-bit computers.
*
* Atari800 is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Atari800 is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with Atari800; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_ERRNO_H
#include <errno.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
#ifdef HAVE_UNIXIO_H
/* VMS */
#include <unixio.h>
#endif
#ifdef HAVE_FILE_H
/* VMS */
#include <file.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HAVE_DIRECT_H
/* WIN32 */
#include <direct.h> /* mkdir, rmdir */
#endif
/* XXX: <sys/dir.h>, <ndir.h>, <sys/ndir.h> */
#ifdef HAVE_DIRENT_H
#include <dirent.h>
#endif
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#include "atari.h"
#include "binload.h"
#include "cpu.h"
#include "devices.h"
#include "esc.h"
#include "log.h"
#include "memory.h"
#include "sio.h"
#include "util.h"
#ifdef R_IO_DEVICE
#include "rdevice.h"
#endif
#ifdef __PLUS
#include "misc_win.h"
#endif
#ifndef S_IREAD
#define S_IREAD S_IRUSR
#endif
#ifndef S_IWRITE
#define S_IWRITE S_IWUSR
#endif
#ifdef WIN32
#include <windows.h>
#undef FILENAME_CONV
#undef FILENAME
#ifdef UNICODE
#define FILENAME_CONV \
WCHAR wfilename[FILENAME_MAX]; \
if (MultiByteToWideChar(CP_ACP, 0, filename, -1, wfilename, FILENAME_MAX) <= 0) \
return FALSE;
#define FILENAME wfilename
#else /* UNICODE */
#define FILENAME_CONV
#define FILENAME filename
#endif /* UNICODE */
#endif /* WIN32 */
/* Read Directory abstraction layer -------------------------------------- */
#ifdef WIN32
static char dir_path[FILENAME_MAX];
static WIN32_FIND_DATA wfd;
static HANDLE dh = INVALID_HANDLE_VALUE;
static int Devices_OpenDir(const char *filename)
{
FILENAME_CONV;
Util_splitpath(filename, dir_path, NULL);
if (dh != INVALID_HANDLE_VALUE)
FindClose(dh);
dh = FindFirstFile(FILENAME, &wfd);
if (dh == INVALID_HANDLE_VALUE) {
/* don't raise error if the path is ok but no file matches:
Win98 returns ERROR_FILE_NOT_FOUND,
WinCE returns ERROR_NO_MORE_FILES */
DWORD err = GetLastError();
if (err != ERROR_FILE_NOT_FOUND && err != ERROR_NO_MORE_FILES)
return FALSE;
}
return TRUE;
}
static int Devices_ReadDir(char *fullpath, char *filename, int *isdir,
int *readonly, int *size, char *timetext)
{
#ifdef UNICODE
char afilename[MAX_PATH];
#endif
if (dh == INVALID_HANDLE_VALUE)
return FALSE;
/* don't match "." nor ".." */
while (wfd.cFileName[0] == '.' &&
(wfd.cFileName[1] == '\0' || (wfd.cFileName[1] == '.' && wfd.cFileName[2] == '\0'))
) {
if (!FindNextFile(dh, &wfd)) {
FindClose(dh);
dh = INVALID_HANDLE_VALUE;
return FALSE;
}
}
#ifdef UNICODE
if (WideCharToMultiByte(CP_ACP, 0, wfd.cFileName, -1, afilename, MAX_PATH, NULL, NULL) <= 0)
strcpy(afilename, "?ERROR");
#define FOUND_FILENAME afilename
#else
#define FOUND_FILENAME wfd.cFileName
#endif /* UNICODE */
if (filename != NULL)
strcpy(filename, FOUND_FILENAME);
if (fullpath != NULL)
Util_catpath(fullpath, dir_path, FOUND_FILENAME);
if (isdir != NULL)
*isdir = (wfd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) ? TRUE : FALSE;
if (readonly != NULL)
*readonly = (wfd.dwFileAttributes & FILE_ATTRIBUTE_READONLY) ? TRUE : FALSE;
if (size != NULL)
*size = (int) wfd.nFileSizeLow;
if (timetext != NULL) {
FILETIME lt;
SYSTEMTIME st;
if (FileTimeToLocalFileTime(&wfd.ftLastWriteTime, <) != 0
&& FileTimeToSystemTime(<, &st) != 0) {
int hour = st.wHour;
char ampm = 'a';
if (hour >= 12) {
hour -= 12;
ampm = 'p';
}
if (hour == 0)
hour = 12;
sprintf(timetext, "%2d-%02d-%02d %2d:%02d%c",
st.wMonth, st.wDay, st.wYear % 100, hour, st.wMinute, ampm);
}
else
strcpy(timetext, " 1-01-01 12:00p");
}
if (!FindNextFile(dh, &wfd)) {
FindClose(dh);
dh = INVALID_HANDLE_VALUE;
}
return TRUE;
}
#define DO_DIR
#elif defined(HAVE_OPENDIR)
static int match(const char *pattern, const char *filename)
{
if (strcmp(pattern, "*.*") == 0)
return TRUE;
for (;;) {
switch (*pattern) {
case '\0':
return (*filename == '\0');
case '?':
if (*filename == '\0' || *filename == '.')
return FALSE;
pattern++;
filename++;
break;
case '*':
if (Util_chrieq(*filename, pattern[1]))
pattern++;
else if (*filename == '\0')
return FALSE; /* because pattern[1] != '\0' */
else
filename++;
break;
default:
if (!Util_chrieq(*pattern, *filename))
return FALSE;
pattern++;
filename++;
break;
}
}
}
static char dir_path[FILENAME_MAX];
static char filename_pattern[FILENAME_MAX];
static DIR *dp = NULL;
static int Devices_OpenDir(const char *filename)
{
Util_splitpath(filename, dir_path, filename_pattern);
if (dp != NULL)
closedir(dp);
dp = opendir(dir_path);
return dp != NULL;
}
static int Devices_ReadDir(char *fullpath, char *filename, int *isdir,
int *readonly, int *size, char *timetext)
{
struct dirent *entry;
char temppath[FILENAME_MAX];
#ifdef HAVE_STAT
struct stat status;
#endif
for (;;) {
entry = readdir(dp);
if (entry == NULL) {
closedir(dp);
dp = NULL;
return FALSE;
}
if (entry->d_name[0] == '.') {
/* don't match Unix hidden files unless specifically requested */
if (filename_pattern[0] != '.')
continue;
/* never match "." */
if (entry->d_name[1] == '\0')
continue;
/* never match ".." */
if (entry->d_name[1] == '.' && entry->d_name[2] == '\0')
continue;
}
if (match(filename_pattern, entry->d_name))
break;
}
if (filename != NULL)
strcpy(filename, entry->d_name);
Util_catpath(temppath, dir_path, entry->d_name);
if (fullpath != NULL)
strcpy(fullpath, temppath);
#ifdef HAVE_STAT
if (stat(temppath, &status) == 0) {
if (isdir != NULL)
*isdir = (status.st_mode & S_IFDIR) ? TRUE : FALSE;
if (readonly != NULL)
*readonly = (status.st_mode & S_IWRITE) ? FALSE : TRUE;
if (size != NULL)
*size = (int) status.st_size;
if (timetext != NULL) {
#ifdef HAVE_LOCALTIME
struct tm *ft;
int hour;
char ampm = 'a';
ft = localtime(&status.st_mtime);
hour = ft->tm_hour;
if (hour >= 12) {
hour -= 12;
ampm = 'p';
}
if (hour == 0)
hour = 12;
sprintf(timetext, "%2d-%02d-%02d %2d:%02d%c",
ft->tm_mon + 1, ft->tm_mday, ft->tm_year % 100,
hour, ft->tm_min, ampm);
#else
strcpy(timetext, " 1-01-01 12:00p");
#endif /* HAVE_LOCALTIME */
}
}
else
#endif /* HAVE_STAT */
{
if (isdir != NULL)
*isdir = FALSE;
if (readonly != NULL)
*readonly = FALSE;
if (size != NULL)
*size = 0;
if (timetext != NULL)
strcpy(timetext, " 1-01-01 12:00p");
}
return TRUE;
}
#define DO_DIR
#elif defined(PS2)
extern char dir_path[FILENAME_MAX];
int Atari_OpenDir(const char *filename);
#define Devices_OpenDir Atari_OpenDir
int Atari_ReadDir(char *fullpath, char *filename, int *isdir,
int *readonly, int *size, char *timetext);
static int Devices_ReadDir(char *fullpath, char *filename, int *isdir,
int *readonly, int *size, char *timetext)
{
char tmp_filename[FILENAME_MAX];
if (filename == NULL)
filename = tmp_filename;
do {
if (!Atari_ReadDir(fullpath, filename, isdir, readonly, size, timetext))
return FALSE;
/* reject "." and ".." */
} while (filename[0] == '.' &&
(filename[1] == '\0' || (filename[1] == '.' && filename[2] == '\0')));
return TRUE;
}
#define DO_DIR
#endif /* defined(PS2) */
/* Rename File/Directory abstraction layer ------------------------------- */
#ifdef WIN32
static int Devices_Rename(const char *oldname, const char *newname)
{
#ifdef UNICODE
WCHAR woldname[FILENAME_MAX];
WCHAR wnewname[FILENAME_MAX];
if (MultiByteToWideChar(CP_ACP, 0, oldname, -1, woldname, FILENAME_MAX) <= 0
|| MultiByteToWideChar(CP_ACP, 0, newname, -1, wnewname, FILENAME_MAX) <= 0)
return FALSE;
return MoveFile(woldname, wnewname) != 0;
#else
return MoveFile(oldname, newname) != 0;
#endif /* UNICODE */
}
#define DO_RENAME
#elif defined(HAVE_RENAME)
static int Devices_Rename(const char *oldname, const char *newname)
{
return rename(oldname, newname) == 0;
}
#define DO_RENAME
#endif
/* Set/Reset Read-Only Attribute abstraction layer ----------------------- */
#ifdef WIN32
/* Enables/disables read-only mode for the file. Returns TRUE on success. */
static int Devices_SetReadOnly(const char *filename, int readonly)
{
DWORD attr;
FILENAME_CONV;
attr = GetFileAttributes(FILENAME);
if (attr == 0xffffffff)
return FALSE;
return SetFileAttributes(FILENAME, readonly
? (attr | FILE_ATTRIBUTE_READONLY)
: (attr & ~FILE_ATTRIBUTE_READONLY)) != 0;
}
#define DO_LOCK
#elif defined(HAVE_CHMOD)
static int Devices_SetReadOnly(const char *filename, int readonly)
{
return chmod(filename, readonly ? S_IREAD : (S_IREAD | S_IWRITE)) == 0;
}
#define DO_LOCK
#endif /* defined(HAVE_CHMOD) */
/* Make Directory abstraction layer -------------------------------------- */
#ifdef WIN32
static int Devices_MakeDirectory(const char *filename)
{
FILENAME_CONV;
return CreateDirectory(FILENAME, NULL) != 0;
}
#define DO_MKDIR
#elif defined(HAVE_MKDIR)
static int Devices_MakeDirectory(const char *filename)
{
/* XXX: I don't see any good reason why umask() and limited permissions were used. */
/* umask(S_IWGRP | S_IWOTH); */
return (mkdir(filename, 0777
/* S_IRUSR | S_IWUSR | S_IXUSR | S_IRGRP | S_IROTH | S_IXGRP | S_IXOTH */) == 0);
}
#define DO_MKDIR
#endif /* defined(HAVE_MKDIR) */
/* Remove Directory abstraction layer ------------------------------------ */
#ifdef WIN32
static UBYTE Devices_RemoveDirectory(const char *filename)
{
FILENAME_CONV;
if (RemoveDirectory(FILENAME) != 0)
return 1;
return (UBYTE) ((HRESULT_CODE(GetLastError()) == ERROR_DIR_NOT_EMPTY) ? 167 : 150);
}
#define DO_RMDIR
#elif defined(HAVE_RMDIR)
static UBYTE Devices_RemoveDirectory(const char *filename)
{
if (rmdir(filename) == 0)
return 1;
return (UBYTE) ((errno == ENOTEMPTY) ? 167 : 150);
}
#define DO_RMDIR
#endif /* defined(HAVE_RMDIR) */
/* H: device emulation --------------------------------------------------- */
#define DEFAULT_H_PATH "H1:>DOS;>DOS"
/* emulator debugging mode */
static int devbug = FALSE;
/* host path for each H: unit */
char Devices_atari_h_dir[4][FILENAME_MAX] = { "", "", "", "" };
/* read only mode for H: device */
int Devices_h_read_only = TRUE;
/* ';'-separated list of Atari paths checked by the "load executable"
command. if a path does not start with "Hn:", then the selected device
is used. */
char Devices_h_exe_path[FILENAME_MAX] = DEFAULT_H_PATH;
/* Devices_h_current_dir must be empty or terminated with Util_DIR_SEP_CHAR;
only Util_DIR_SEP_CHAR can be used as a directory separator here */
char Devices_h_current_dir[4][FILENAME_MAX];
/* stream open via H: device per IOCB */
static FILE *h_fp[8] = { NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL };
/* H: text mode per IOCB */
static int h_textmode[8];
/* last read character was CR, per IOCB */
static int h_wascr[8];
/* last operation: 'o': open, 'r': read, 'w': write, per IOCB */
/* (this is needed to apply fseek(fp, 0, SEEK_CUR) between reads and writes
in update (12) mode) */
static char h_lastop[8];
Util_tmpbufdef(static, h_tmpbuf[8])
/* IOCB #, 0-7 */
static int h_iocb;
/* H: device number, 0-3 */
static int h_devnum;
/* filename as specified after "Hn:" */
static char atari_filename[FILENAME_MAX];
#ifdef DO_RENAME
/* new filename (no directories!) */
static char new_filename[FILENAME_MAX];
#endif
/* atari_filename applied to H:'s current dir, with Util_DIR_SEP_CHARs only */
static char atari_path[FILENAME_MAX];
/* full filename for the current operation */
static char host_path[FILENAME_MAX];
int Devices_H_CountOpen(void)
{
int r = 0;
int i;
for (i = 0; i < 8; i++)
if (h_fp[i] != NULL)
r++;
return r;
}
void Devices_H_CloseAll(void)
{
int i;
for (i = 0; i < 8; i++)
if (h_fp[i] != NULL) {
Util_fclose(h_fp[i], h_tmpbuf[i]);
h_fp[i] = NULL;
}
}
static void Devices_H_Init(void)
{
if (devbug)
Log_print("HHINIT");
Devices_h_current_dir[0][0] = '\0';
Devices_h_current_dir[1][0] = '\0';
Devices_h_current_dir[2][0] = '\0';
Devices_h_current_dir[3][0] = '\0';
Devices_H_CloseAll();
}
int Devices_Initialise(int *argc, char *argv[])
{
int i;
int j;
for (i = j = 1; i < *argc; i++) {
int i_a = (i + 1 < *argc); /* is argument available? */
int a_m = FALSE; /* error, argument missing! */
if (strcmp(argv[i], "-H1") == 0) {
if (i_a)
Util_strlcpy(Devices_atari_h_dir[0], argv[++i], FILENAME_MAX);
else a_m = TRUE;
}
else if (strcmp(argv[i], "-H2") == 0) {
if (i_a)
Util_strlcpy(Devices_atari_h_dir[1], argv[++i], FILENAME_MAX);
else a_m = TRUE;
}
else if (strcmp(argv[i], "-H3") == 0) {
if (i_a)
Util_strlcpy(Devices_atari_h_dir[2], argv[++i], FILENAME_MAX);
else a_m = TRUE;
}
else if (strcmp(argv[i], "-H4") == 0) {
if (i_a)
Util_strlcpy(Devices_atari_h_dir[3], argv[++i], FILENAME_MAX);
else a_m = TRUE;
}
else if (strcmp(argv[i], "-Hpath") == 0) {
if (i_a)
Util_strlcpy(Devices_h_exe_path, argv[++i], FILENAME_MAX);
else a_m = TRUE;
}
else if (strcmp(argv[i], "-hreadonly") == 0)
Devices_h_read_only = TRUE;
else if (strcmp(argv[i], "-hreadwrite") == 0)
Devices_h_read_only = FALSE;
else if (strcmp(argv[i], "-devbug") == 0)
devbug = TRUE;
else {
if (strcmp(argv[i], "-help") == 0) {
Log_print("\t-H1 <path> Set path for H1: device");
Log_print("\t-H2 <path> Set path for H2: device");
Log_print("\t-H3 <path> Set path for H3: device");
Log_print("\t-H4 <path> Set path for H4: device");
Log_print("\t-Hpath <path> Set path for Atari executables on the H: device");
Log_print("\t-hreadonly Enable read-only mode for H: device");
Log_print("\t-hreadwrite Disable read-only mode for H: device");
Log_print("\t-devbug Debugging messages for H: and P: devices");
}
argv[j++] = argv[i];
}
if (a_m) {
Log_print("Missing argument for '%s'", argv[i]);
return FALSE;
}
}
*argc = j;
Devices_H_Init();
return TRUE;
}
#define IS_DIR_SEP(c) ((c) == '/' || (c) == '\\' || (c) == ':' || (c) == '>')
static int Devices_IsValidForFilename(char ch)
{
if ((ch >= 'A' && ch <= 'Z')
|| (ch >= 'a' && ch <= 'z')
|| (ch >= '0' && ch <= '9'))
return TRUE;
switch (ch) {
case '!':
case '#':
case '$':
case '&':
case '\'':
case '(':
case ')':
case '*':
case '-':
case '.':
case '?':
case '@':
case '_':
return TRUE;
default:
return FALSE;
}
}
UWORD Devices_SkipDeviceName(void)
{
UWORD bufadr;
for (bufadr = MEMORY_dGetWordAligned(Devices_ICBALZ); ; bufadr++) {
char c = (char) MEMORY_dGetByte(bufadr);
if (c == ':')
return (UWORD) (bufadr + 1);
if (c < '!' || c > '\x7e')
return 0;
}
}
/* devnum must be 0-3; p must point inside atari_filename */
static UWORD Devices_GetAtariPath(int devnum, char *p)
{
UWORD bufadr = Devices_SkipDeviceName();
if (bufadr != 0) {
while (p < atari_filename + sizeof(atari_filename) - 1) {
char c = (char) MEMORY_dGetByte(bufadr);
if (Devices_IsValidForFilename(c) || IS_DIR_SEP(c) || c == '<') {
*p++ = c;
bufadr++;
}
else {
/* end of filename */
/* now apply it to Devices_h_current_dir */
const char *q = atari_filename;
*p = '\0';
if (IS_DIR_SEP(*q)) {
/* absolute path on H: device */
q++;
p = atari_path;
}
else {
strcpy(atari_path, Devices_h_current_dir[devnum]);
p = atari_path + strlen(atari_path);
}
for (;;) {
/* we are here at the beginning of a path element,
i.e. at the beginning of atari_path or after Util_DIR_SEP_CHAR */
if (*q == '<'
|| (*q == '.' && q[1] == '.' && (q[2] == '\0' || IS_DIR_SEP(q[2])))) {
/* "<" or "..": parent directory */
if (p == atari_path) {
CPU_regY = 150; /* Sparta: directory not found */
CPU_SetN;
return 0;
}
do
p--;
while (p > atari_path && p[-1] != Util_DIR_SEP_CHAR);
if (*q == '.') {
if (q[2] != '\0')
q++;
q++;
}
q++;
continue;
}
if (IS_DIR_SEP(*q)) {
/* duplicate DIR_SEP */
CPU_regY = 165; /* bad filename */
CPU_SetN;
return 0;
}
do {
if (p >= atari_path + sizeof(atari_path) - 1) {
CPU_regY = 165; /* bad filename */
CPU_SetN;
return 0;
}
*p++ = *q;
if (*q == '\0')
return bufadr;
q++;
} while (!IS_DIR_SEP(*q));
*p++ = Util_DIR_SEP_CHAR;
q++;
}
}
}
}
CPU_regY = 165; /* bad filename */
CPU_SetN;
return 0;
}
static int Devices_GetIOCB(void)
{
if ((CPU_regX & 0x8f) != 0) {
CPU_regY = 134; /* invalid IOCB number */
CPU_SetN;
return FALSE;
}
h_iocb = CPU_regX >> 4;
return TRUE;
}
static int Devices_GetNumber(int set_textmode)
{
int devnum;
if (!Devices_GetIOCB())
return -1;
devnum = MEMORY_dGetByte(Devices_ICDNOZ);
if (devnum > 9 || devnum == 0 || devnum == 5) {
CPU_regY = 160; /* invalid unit/drive number */
CPU_SetN;
return -1;
}
if (devnum < 5) {
if (set_textmode)
h_textmode[h_iocb] = FALSE;
return devnum - 1;
}
if (set_textmode)
h_textmode[h_iocb] = TRUE;
return devnum - 6;
}
static UWORD Devices_GetHostPath(int set_textmode)
{
UWORD bufadr;
h_devnum = Devices_GetNumber(set_textmode);
if (h_devnum < 0)
return 0;
bufadr = Devices_GetAtariPath(h_devnum, atari_filename);
if (bufadr == 0)
return 0;
Util_catpath(host_path, Devices_atari_h_dir[h_devnum], atari_path);
return bufadr;
}
static void Devices_H_Open(void)
{
FILE *fp;
UBYTE aux1;
#ifdef DO_DIR
UBYTE aux2;
char entryname[FILENAME_MAX];
int isdir;
int readonly;
int size;
char timetext[16];
#endif
if (devbug)
Log_print("HHOPEN");
if (Devices_GetHostPath(TRUE) == 0)
return;
if (h_fp[h_iocb] != NULL)
Util_fclose(h_fp[h_iocb], h_tmpbuf[h_iocb]);
#if 0
if (devbug)
Log_print("atari_filename=\"%s\", atari_path=\"%s\" host_path=\"%s\"", atari_filename, atari_path, host_path);
#endif
fp = NULL;
h_wascr[h_iocb] = FALSE;
h_lastop[h_iocb] = 'o';
aux1 = MEMORY_dGetByte(Devices_ICAX1Z);
switch (aux1) {
case 4:
/* don't bother using "r" for textmode:
we want to support LF, CR/LF and CR, not only native EOLs */
fp = Util_fopen(host_path, "rb", h_tmpbuf[h_iocb]);
if (fp != NULL) {
CPU_regY = 1;
CPU_ClrN;
}
else {
CPU_regY = 170; /* file not found */
CPU_SetN;
}
break;
#ifdef DO_DIR
case 6:
case 7:
fp = Util_tmpopen(h_tmpbuf[h_iocb]);
if (fp == NULL) {
CPU_regY = 144; /* device done error */
CPU_SetN;
break;
}
if (!Devices_OpenDir(host_path)) {
Util_fclose(fp, h_tmpbuf[h_iocb]);
fp = NULL;
CPU_regY = 144; /* device done error */
CPU_SetN;
break;
}
aux2 = MEMORY_dGetByte(Devices_ICAX2Z);
if (aux2 >= 128) {
fprintf(fp, "\nVolume: HDISK%c\nDirectory: ", '1' + h_devnum);
/* if (strcmp(dir_path, Devices_atari_h_dir[h_devnum]) == 0) */
if (strchr(atari_path, Util_DIR_SEP_CHAR) == NULL)
fprintf(fp, "MAIN\n\n");
else {
char end_dir_str[FILENAME_MAX];
Util_splitpath(dir_path, NULL, end_dir_str);
fprintf(fp, "%s\n\n", /* Util_strupper */(end_dir_str));
}
}
while (Devices_ReadDir(NULL, entryname, &isdir, &readonly, &size,
(aux2 >= 128) ? timetext : NULL)) {
char *ext;
/* Util_strupper(entryname); */
ext = strrchr(entryname, '.');
if (ext == NULL)
ext = "";
else {
/* replace the dot with NUL,
so entryname is without extension */
*ext++ = '\0';
if (ext[0] != '\0' && ext[1] != '\0' && ext[2] != '\0' && ext[3] != '\0') {
ext[2] = '+';
ext[3] = '\0';
}
}
if (strlen(entryname) > 8) {
entryname[7] = '+';
entryname[8] = '\0';
}
if (aux2 >= 128) {
if (isdir)
fprintf(fp, "%-13s<DIR> %s\n", entryname, timetext);
else {
if (size > 999999)
size = 999999;
fprintf(fp, "%-9s%-3s %6d %s\n", entryname, ext, size, timetext);
}
}
else {
char dirchar = ' ';
size = (size + 255) >> 8;
if (size > 999)
size = 999;
if (isdir) {
if (MEMORY_dGetByte(0x700) == 'M') /* MyDOS */
dirchar = ':';
else /* Sparta */
ext = "\304\311\322"; /* "DIR" with bit 7 set */
}
fprintf(fp, "%c%c%-8s%-3s %03d\n", readonly ? '*' : ' ',
dirchar, entryname, ext, size);
}
}
if (aux2 >= 128)
fprintf(fp, " 999 FREE SECTORS\n");
else
fprintf(fp, "999 FREE SECTORS\n");
Util_rewind(fp);
h_textmode[h_iocb] = TRUE;
CPU_regY = 1;
CPU_ClrN;
break;
#endif /* DO_DIR */
case 8: /* write: "w" */
case 9: /* write at end of file (append): "a" */
case 12: /* write and read (update): "r+" || "w+" */
case 13: /* append and read: "a+" */
if (Devices_h_read_only) {
CPU_regY = 163; /* disk write-protected */
CPU_SetN;
break;
}
{
char mode[4];
char *p = mode + 1;
mode[0] = (aux1 & 1) ? 'a' : (aux1 < 12) ? 'w' : 'r';
if (!h_textmode[h_iocb])
*p++ = 'b';
if (aux1 >= 12)
*p++ = '+';
*p = '\0';
fp = Util_fopen(host_path, mode, h_tmpbuf[h_iocb]);
if (fp == NULL && aux1 == 12) {
mode[0] = 'w';
fp = Util_fopen(host_path, mode, h_tmpbuf[h_iocb]);
}
}
if (fp != NULL) {
CPU_regY = 1;
CPU_ClrN;
}
else {
CPU_regY = 144; /* device done error */
CPU_SetN;
}
break;
default:
CPU_regY = 168; /* invalid device command */
CPU_SetN;
break;
}
h_fp[h_iocb] = fp;
}
static void Devices_H_Close(void)
{
if (devbug)
Log_print("HHCLOS");
if (!Devices_GetIOCB())
return;
if (h_fp[h_iocb] != NULL) {
Util_fclose(h_fp[h_iocb], h_tmpbuf[h_iocb]);
h_fp[h_iocb] = NULL;
}
CPU_regY = 1;
CPU_ClrN;
}
static void Devices_H_Read(void)
{
if (devbug)
Log_print("HHREAD");
if (!Devices_GetIOCB())
return;
if (h_fp[h_iocb] != NULL) {
int ch;
if (h_lastop[h_iocb] == 'w')
fseek(h_fp[h_iocb], 0, SEEK_CUR);
h_lastop[h_iocb] = 'r';
ch = fgetc(h_fp[h_iocb]);
if (ch != EOF) {
if (h_textmode[h_iocb]) {
switch (ch) {
case 0x0d:
h_wascr[h_iocb] = TRUE;
ch = 0x9b;
break;
case 0x0a:
if (h_wascr[h_iocb]) {
/* ignore LF next to CR */
ch = fgetc(h_fp[h_iocb]);
if (ch != EOF) {
if (ch == 0x0d) {
h_wascr[h_iocb] = TRUE;
ch = 0x9b;
}
else
h_wascr[h_iocb] = FALSE;