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* Technote FL 24: "Don't Look at ioPosOffset for Devices" |
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*/ |
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#include "sysdeps.h" |
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#include <string.h> |
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#include <vector> |
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#ifndef NO_STD_NAMESPACE |
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using std::vector; |
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#endif |
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#include "sysdeps.h" |
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#include "cpu_emulation.h" |
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#include "main.h" |
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#include "macos_util.h" |
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// Struct for each drive |
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struct DriveInfo { |
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DriveInfo() |
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{ |
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next = NULL; |
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num = 0; |
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fh = NULL; |
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read_only = false; |
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status = 0; |
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} |
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struct sony_drive_info { |
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sony_drive_info() : num(0), fh(NULL), read_only(false), status(0) {} |
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sony_drive_info(void *fh_, bool ro) : num(0), fh(fh_), read_only(ro), status(0) {} |
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void close_fh(void) { Sys_close(fh); } |
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DriveInfo *next; // Pointer to next DriveInfo (must be first in struct!) |
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int num; // Drive number |
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void *fh; // Floppy driver file handle |
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bool to_be_mounted; // Flag: drive must be mounted in accRun |
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uint32 status; // Mac address of drive status record |
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}; |
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// Linked list of DriveInfos |
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static DriveInfo *first_drive_info; |
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// List of drives handled by this driver |
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typedef vector<sony_drive_info> drive_vec; |
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static drive_vec drives; |
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// Icon addresses (Mac address space, set by PatchROM()) |
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uint32 SonyDiskIconAddr; |
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/* |
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* Get pointer to drive info, NULL = invalid drive number |
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* Get reference to drive info or drives.end() if not found |
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*/ |
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static DriveInfo *get_drive_info(int num) |
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static drive_vec::iterator get_drive_info(int num) |
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{ |
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DriveInfo *info = first_drive_info; |
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while (info != NULL) { |
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drive_vec::iterator info, end = drives.end(); |
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for (info = drives.begin(); info != end; ++info) { |
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if (info->num == num) |
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return info; |
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info = info->next; |
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} |
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return NULL; |
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return info; |
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} |
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void SonyInit(void) |
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{ |
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first_drive_info = NULL; |
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// No drives specified in prefs? Then add defaults |
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if (PrefsFindString("floppy", 0) == NULL) |
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SysAddFloppyPrefs(); |
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// Add drives specified in preferences |
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int32 index = 0; |
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int index = 0; |
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const char *str; |
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while ((str = PrefsFindString("floppy", index++)) != NULL) { |
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bool read_only = false; |
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str++; |
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} |
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void *fh = Sys_open(str, read_only); |
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if (fh) { |
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DriveInfo *info = new DriveInfo; |
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info->fh = fh; |
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info->read_only = SysIsReadOnly(fh); |
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DriveInfo *p = (DriveInfo *)&first_drive_info; |
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while (p->next != NULL) |
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p = p->next; |
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p->next = info; |
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< |
} |
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> |
if (fh) |
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> |
drives.push_back(sony_drive_info(fh, SysIsReadOnly(fh))); |
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} |
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} |
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void SonyExit(void) |
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{ |
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< |
DriveInfo *info = first_drive_info, *next; |
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while (info != NULL) { |
183 |
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Sys_close(info->fh); |
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< |
next = info->next; |
193 |
< |
delete info; |
194 |
< |
info = next; |
195 |
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} |
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> |
drive_vec::iterator info, end = drives.end(); |
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> |
for (info = drives.begin(); info != end; ++info) |
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> |
info->close_fh(); |
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drives.clear(); |
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} |
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bool SonyMountVolume(void *fh) |
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{ |
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DriveInfo *info; |
195 |
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for (info = first_drive_info; info != NULL && info->fh != fh; info = info->next) ; |
196 |
< |
if (info) { |
194 |
> |
drive_vec::iterator info = drives.begin(), end = drives.end(); |
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while (info != end && info->fh != fh) |
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> |
++info; |
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> |
if (info != end) { |
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if (SysIsDiskInserted(info->fh)) { |
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info->read_only = SysIsReadOnly(info->fh); |
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WriteMacInt8(info->status + dsDiskInPlace, 1); // Inserted removable disk |
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static void mount_mountable_volumes(void) |
216 |
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{ |
217 |
< |
DriveInfo *info = first_drive_info; |
218 |
< |
while (info != NULL) { |
217 |
> |
drive_vec::iterator info, end = drives.end(); |
218 |
> |
for (info = drives.begin(); info != end; ++info) { |
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220 |
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#if DISK_INSERT_CHECK |
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// Disk in drive? |
236 |
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Execute68kTrap(0xa02f, &r); // PostEvent() |
237 |
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info->to_be_mounted = false; |
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} |
249 |
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250 |
– |
info = info->next; |
239 |
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} |
240 |
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} |
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275 |
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set_dsk_err(0); |
276 |
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// Install drives |
278 |
< |
for (DriveInfo *info = first_drive_info; info; info = info->next) { |
278 |
> |
drive_vec::iterator info, end = drives.end(); |
279 |
> |
for (info = drives.begin(); info != end; ++info) { |
280 |
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|
281 |
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info->num = FindFreeDriveNumber(1); |
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info->to_be_mounted = false; |
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WriteMacInt32(pb + ioActCount, 0); |
331 |
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// Drive valid and disk inserted? |
333 |
< |
DriveInfo *info; |
334 |
< |
if ((info = get_drive_info(ReadMacInt16(pb + ioVRefNum))) == NULL) |
333 |
> |
drive_vec::iterator info = get_drive_info(ReadMacInt16(pb + ioVRefNum)); |
334 |
> |
if (info == drives.end()) |
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return set_dsk_err(nsDrvErr); |
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if (!ReadMacInt8(info->status + dsDiskInPlace)) |
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return set_dsk_err(offLinErr); |
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} |
401 |
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// Drive valid? |
403 |
< |
DriveInfo *info; |
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< |
if ((info = get_drive_info(ReadMacInt16(pb + ioVRefNum))) == NULL) |
403 |
> |
drive_vec::iterator info = get_drive_info(ReadMacInt16(pb + ioVRefNum)); |
404 |
> |
if (info == drives.end()) |
405 |
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return set_dsk_err(nsDrvErr); |
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407 |
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// Drive-specific codes |
481 |
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D(bug("SonyStatus %d\n", code)); |
482 |
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483 |
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// Drive valid? |
484 |
< |
DriveInfo *info; |
485 |
< |
if ((info = get_drive_info(ReadMacInt16(pb + ioVRefNum))) == NULL) |
484 |
> |
drive_vec::iterator info = get_drive_info(ReadMacInt16(pb + ioVRefNum)); |
485 |
> |
if (info == drives.end()) |
486 |
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return set_dsk_err(nsDrvErr); |
487 |
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|
488 |
|
int16 err = noErr; |