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EDIT: Disconnect /RAM3 as well as /RAM. Check for files before disconnect.

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Bobbi Webber-Manners 2020-09-06 14:40:50 -04:00
parent 3c7649d867
commit 8e095d17b8
2 changed files with 47 additions and 11 deletions
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56
apps/edit.c
View File

@ -12,6 +12,7 @@
#include <conio.h>
#include <ctype.h>
#include <dio.h>
#include <dirent.h>
#include <stdint.h>
#include <stdio.h>
@ -1676,28 +1677,63 @@ search:
}
/*
* Disconnect RAM disk /RAM
* Check if there are files on a RAM disk
* dev - Device number of RAM disk
*/
void check_ramdisk(uint8_t dev) {
dhandle_t dio_hdl;
uint8_t c;
dio_hdl = dio_open(dev);
dio_read(dio_hdl, 2, iobuf);
dio_close(dio_hdl);
c = iobuf[0x25] + 256 * iobuf[0x26]; // File count
if (c > 0) {
fputs("/",stdout);
for (c = 0; c < (iobuf[0x04] & 0x0f); ++c)
putchar(iobuf[0x05 + c]);
printf(" is not empty.\n");
printf("[Q] to quit, and preserve RAMDisk\n");
beep();
c = cgetc();
if ((c == 'Q') || (c == 'q'))
exit(0);
}
}
/*
* Disconnect RAM disks /RAM and/or /RAM3
* Note that both /RAM and /RAM3 may be active at the same time!!
*/
void disconnect_ramdisk(void) {
uint8_t i, j;
uint8_t *devcnt = (uint8_t*)0xbf31; // Number of devices
uint8_t *devlst = (uint8_t*)0xbf32; // Disk device numbers
uint16_t *s0d1 = (uint16_t*)0xbf10; // s0d1 driver vector
uint16_t *s3d1 = (uint16_t*)0xbf16; // s3d1 driver vector
uint16_t *s3d2 = (uint16_t*)0xbf26; // s3d2 driver vector
if (*s0d1 == *s3d2)
return; // No /RAM connected
for (i = *devcnt; i > 0; --i) {
if ((devlst[i] == 0xbf) || (devlst[i] == 0xbb) ||
(devlst[i] == 0xb7) || (devlst[i] == 0xb3))
goto s3d1; // No /RAM
check_ramdisk(3 + (2 - 1) * 8); // s3d2
for (i = 0; i < *devcnt; ++i)
if ((devlst[i] & 0xf0) == 0xb0)
break;
}
if (i > 0) {
for (j = i; j < *devcnt; ++j) {
if (i > 0)
for (j = i; j < *devcnt; ++j)
devlst[j] = devlst[j + 1];
}
}
*s3d2 = *s0d1;
--(*devcnt);
s3d1:
if (*s0d1 == *s3d1)
return; // No /RAM3
check_ramdisk(3 + (1 - 1) * 8); // s3d1
for (i = 0; i < *devcnt; ++i)
if ((devlst[i] & 0xf0) == 0x30)
break;
if (i > 0)
for (j = i; j < *devcnt; ++j)
devlst[j] = devlst[j + 1];
*s3d1 = *s0d1;
--(*devcnt);
}
/*

2
apps/edithelp1.txt
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@ -1,5 +1,5 @@
--------------------------------------------------------------------------------
v1.24 }}} EDIT.SYSTEM HELP }}} Page One
v1.25 }}} EDIT.SYSTEM HELP }}} Page One
--------------------------------------+-----------------------------------------
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