Apple-2-SW/emailler
1
0
Fork 0
mirror of https://github.com/bobbimanners/emailler.git synced 2025-04-23 03:37:06 +00:00
Code Issues Projects Releases Wiki Activity

EDIT: Added code to disconnect /RAM

Browse Source
This commit is contained in:
Bobbi Webber-Manners 2020-08-16 22:46:47 -04:00
parent 10eaf46a8d
commit c2ed3ec256
1 changed files with 32 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

46
apps/edit.c
View File

@ -39,8 +39,8 @@
#define BUFSZ 0xb7fe // Aux from 0x800 to 0xbfff, minus a pad byte
char iobuf[CUTBUFSZ]; // Buffer for disk I/O and cut/paste
uint8_t banktbl[1+8*16]; // Handles up to 8MB. Map of banks.
uint8_t auxbank; // Currently selected aux bank (physical)
uint8_t l_auxbank; // Currently selected aux bank (logical)
uint8_t auxbank = 0; // Currently selected aux bank (physical)
uint8_t l_auxbank = 1; // Currently selected aux bank (logical)
uint16_t cutbuflen = 0; // Length of data in cut buffer
#else
#define BUFSZ (20480 - 1024) // 19KB
@ -1723,6 +1723,31 @@ search:
mode = SEL_NONE;
}
/*
* Disconnect RAM disk /RAM
*/
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 *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))
break;
}
if (i > 0) {
for (j = i; j < *devcnt; ++j) {
devlst[j] = devlst[j + 1];
}
}
*s3d2 = *s0d1;
--(*devcnt);
}
/*
* Available aux banks. Taken from RamWorks III Manual p47
* banktbl is populated as follows:
@ -1919,10 +1944,6 @@ int edit(char *fname) {
strcpy(filename, "");
}
}
jump_pos(0);
set_modified(0);
startsel = endsel = 65535U;
mode = SEL_NONE;
draw_screen();
while (1) {
cursor(1);
@ -2102,8 +2123,10 @@ int edit(char *fname) {
break; // ESC pressed
if (strlen(userentry) == 0)
break;
if (load_file(userentry, 0))
show_error("Can't open");
if (load_file(userentry, 0)) {
snprintf(iobuf, 80, "Can't open '%s'", userentry);
show_error(iobuf);
}
draw_screen();
break;
case 0x80 + 'O': // OA-O "Open"
@ -2114,12 +2137,6 @@ int edit(char *fname) {
break; // ESC pressed
if (strlen(userentry) == 0)
break;
jump_pos(0);
set_modified(0);
startsel = endsel = 65535U;
mode = SEL_NONE;
gapbegin = 0;
gapend = BUFSZ - 1;
strcpy(filename, userentry);
if (load_file(filename, 1)) {
snprintf(userentry, 80, "Can't open '%s'", filename);
@ -2332,6 +2349,7 @@ void main(int argc, char *argv[]) {
#ifdef AUXMEM
char *pad = (char*)0xbfff;
*pad = '\0'; // Null termination for strstr()
disconnect_ramdisk();
avail_aux_banks();
init_aux_banks();
#endif