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-rw-r--r--src/nio.c265
1 files changed, 87 insertions, 178 deletions
diff --git a/src/nio.c b/src/nio.c
index 399b06d..9deae3c 100644
--- a/src/nio.c
+++ b/src/nio.c
@@ -2,201 +2,110 @@
* N: I/O
*/
-#include "nio.h"
-#include "sio.h"
+/* "stripped down" version that harcodes some parameters! Don't
+ use this as example code for writing your own fujinet app! */
+
#include <atari.h>
#include <stddef.h>
+#include "nio.h"
+#include "sio.h"
+#include "config.h"
#define TIMEOUT 0x1f /* approx 30 seconds */
-unsigned char nunit(char* devicespec)
-{
- unsigned char unit=1;
-
- // Set unit to 1 unless explicitly specified.
- if (devicespec[1]==':')
- unit=1;
- else if (devicespec[2]==':')
- unit=devicespec[1]-0x30; // convert from alpha to integer.
- else
- unit=1;
-
- return unit;
+#define UNIT 1 /* only support one FujiNet connection! */
+
+/* 0 = no translation (used to use 3, CRLF) */
+#define TRANS 0
+
+static char get_status(void) {
+ if(OS.dcb.dstats != SUCCESS) {
+ // something went wrong
+ // do we need to return extended status?
+ if(OS.dcb.dstats == DERROR) {
+ nstatus();
+ return OS.dvstat[DVSTAT_EXTENDED_ERROR]; // return extended error.
+ }
+ }
+ return OS.dcb.dstats; // Return SIO error or success
}
-unsigned char nopen(char* devicespec, unsigned char trans)
-{
- unsigned char unit=nunit(devicespec);
-
- OS.dcb.ddevic = DFUJI; // Fuji Device Identifier
- OS.dcb.dunit = unit; // Unit number integer 1 through 4
- OS.dcb.dcomnd = 'O'; // Open
- OS.dcb.dstats = DWRITE; // sending to to SIO device
- OS.dcb.dbuf = devicespec; // eg: N:TCP//
- OS.dcb.dtimlo = TIMEOUT; // approximately 30 second timeout
- OS.dcb.dbyt = 256; // max size of our device spec
- OS.dcb.daux1 = OUPDATE; // Read and write
- OS.dcb.daux2 = trans; // CR/LF translation
- siov();
-
- if (OS.dcb.dstats!=SUCCESS)
- {
- // something went wrong
- // do we need to return extended status?
- if (OS.dcb.dstats==DERROR)
- {
- nstatus(devicespec);
- return OS.dvstat[DVSTAT_EXTENDED_ERROR]; // return extended error.
- }
- }
- return OS.dcb.dstats; // Return SIO error or success
+static void set_defaults(void) {
+ OS.dcb.ddevic = DFUJI; // Fuji Device Identifier
+ OS.dcb.dunit = UNIT; // Unit number integer 1 through 4
+ OS.dcb.dtimlo = TIMEOUT; // approximately 30 second timeout
}
-unsigned char nclose(char* devicespec)
-{
- unsigned char unit=nunit(devicespec);
-
- OS.dcb.ddevic = DFUJI;
- OS.dcb.dunit = unit;
- OS.dcb.dcomnd = 'C'; // Close
- OS.dcb.dstats = 0x00;
- OS.dcb.dbuf = NULL;
- OS.dcb.dtimlo = TIMEOUT;
- OS.dcb.dbyt = 0;
- OS.dcb.daux = 0;
- siov();
-
- if (OS.dcb.dstats!=SUCCESS)
- {
- // something went wrong
- // do we need to return extended status?
- if (OS.dcb.dstats==DERROR)
- {
- nstatus(devicespec);
- return OS.dvstat[DVSTAT_EXTENDED_ERROR]; // return extended error.
- }
- }
- return OS.dcb.dstats; // Return SIO error or success.
+char nopen(void) {
+ set_defaults();
+ OS.dcb.dcomnd = 'O'; // Open
+ OS.dcb.dstats = DWRITE; // sending to to SIO device
+ OS.dcb.dbuf = conf->url; // eg: N:TCP//
+ OS.dcb.dbyt = 256; // max size of our device spec
+ OS.dcb.daux1 = OUPDATE; // Read and write
+ OS.dcb.daux2 = TRANS; // CR/LF translation
+ siov();
+
+ return get_status();
}
-unsigned char nstatus(char* devicespec)
-{
- unsigned char unit=nunit(devicespec);
-
- OS.dcb.ddevic = DFUJI;
- OS.dcb.dunit = unit;
- OS.dcb.dcomnd = 'S'; // status
- OS.dcb.dstats = DREAD;
- OS.dcb.dbuf = OS.dvstat;
- OS.dcb.dtimlo = TIMEOUT;
- OS.dcb.dbyt = sizeof(OS.dvstat);
- OS.dcb.daux = 0;
- siov();
-
- return OS.dvstat[DVSTAT_EXTENDED_ERROR]; // return extended status
-}
+char nclose(void) {
+ set_defaults();
+ OS.dcb.dcomnd = 'C'; // Close
+ OS.dcb.dstats = 0x00;
+ OS.dcb.dbuf = NULL;
+ OS.dcb.dbyt = 0;
+ OS.dcb.daux = 0;
+ siov();
-unsigned char nread(char* devicespec, unsigned char* buf, unsigned short len)
-{
- unsigned char unit=nunit(devicespec);
-
- OS.dcb.ddevic = DFUJI;
- OS.dcb.dunit = unit;
- OS.dcb.dcomnd = 'R'; // read
- OS.dcb.dstats = DREAD;
- OS.dcb.dbuf = buf;
- OS.dcb.dtimlo = TIMEOUT;
- OS.dcb.dbyt = OS.dcb.daux = len; // Set the buffer size AND daux with length
- siov();
-
- if (OS.dcb.dstats!=SUCCESS)
- {
- // something went wrong
- // do we need to return extended status?
- if (OS.dcb.dstats==DERROR)
- {
- nstatus(devicespec);
- return OS.dvstat[DVSTAT_EXTENDED_ERROR]; // return extended error.
- }
- }
- return OS.dcb.dstats; // Return SIO error or success.
+ return get_status();
}
-unsigned char nwrite(char* devicespec, unsigned char* buf, unsigned short len)
-{
- unsigned char unit=nunit(devicespec);
-
- OS.dcb.ddevic = DFUJI;
- OS.dcb.dunit = unit;
- OS.dcb.dcomnd = 'W'; // write
- OS.dcb.dstats = DWRITE;
- OS.dcb.dbuf = buf;
- OS.dcb.dtimlo = TIMEOUT;
- OS.dcb.dbyt = OS.dcb.daux = len;
- siov();
-
- if (OS.dcb.dstats!=SUCCESS)
- {
- // something went wrong
- // do we need to return extended status?
- if (OS.dcb.dstats==DERROR)
- {
- nstatus(devicespec);
- return OS.dvstat[DVSTAT_EXTENDED_ERROR]; // return extended error.
- }
- }
- return OS.dcb.dstats; // Return SIO error or success.
+char nstatus(void) {
+ set_defaults();
+ OS.dcb.dcomnd = 'S'; // status
+ OS.dcb.dstats = DREAD;
+ OS.dcb.dbuf = OS.dvstat;
+ OS.dcb.dbyt = sizeof(OS.dvstat);
+ OS.dcb.daux = 0;
+ siov();
+
+ return OS.dvstat[DVSTAT_EXTENDED_ERROR]; // return extended status
}
-/* https://fujinet.online/wiki/?p=SIO-Command-%24FF-Reset-FujiNet */
-unsigned char nreset(void) {
- OS.dcb.ddevic = 0x70;
- OS.dcb.dunit = 1;
- OS.dcb.dcomnd = 0xff; /* reset */
- OS.dcb.dstats = DWRITE;
- OS.dcb.dbuf = 0;
- OS.dcb.dtimlo = TIMEOUT;
- OS.dcb.dbyt = 0;
- OS.dcb.daux = 0;
- siov();
-
- return OS.dvstat[DVSTAT_EXTENDED_ERROR]; // return extended status
+char nread(char *buf, unsigned short len) {
+ set_defaults();
+ OS.dcb.dcomnd = 'R'; // read
+ OS.dcb.dstats = DREAD;
+ OS.dcb.dbuf = buf;
+ OS.dcb.dbyt = OS.dcb.daux = len; // Set the buffer size AND daux with length
+ siov();
+
+ return get_status();
}
+char nwrite(char *buf, unsigned short len) {
+ set_defaults();
+ OS.dcb.dcomnd = 'W'; // write
+ OS.dcb.dstats = DWRITE;
+ OS.dcb.dbuf = buf;
+ OS.dcb.dbyt = OS.dcb.daux = len;
+ siov();
+
+ return get_status();
+}
-/* IRC doesn't need this */
-#if 0
-unsigned char nlogin(char* devicespec, char *login, char *password)
-{
- unsigned char unit=nunit(devicespec);
-
- OS.dcb.ddevic=0x71;
- OS.dcb.dunit=unit;
- OS.dcb.dcomnd=0xFD;
- OS.dcb.dstats=0x80;
- OS.dcb.dbuf=login;
- OS.dcb.dtimlo=0x1f;
- OS.dcb.dbyt=256;
- OS.dcb.daux=0;
- siov();
-
- if (OS.dcb.dstats!=1)
- {
- nstatus(devicespec);
- return OS.dvstat[DVSTAT_EXTENDED_ERROR]; // return ext err
- }
-
- OS.dcb.dcomnd=0xFE;
- OS.dcb.dstats=0x80;
- OS.dcb.dbuf=password;
- siov();
-
- if (OS.dcb.dstats!=1)
- {
- nstatus(devicespec);
- return OS.dvstat[DVSTAT_EXTENDED_ERROR]; // return ext err
- }
-
- return OS.dcb.dstats;
+/* https://fujinet.online/wiki/?p=SIO-Command-%24FF-Reset-FujiNet */
+char nreset(void) {
+ set_defaults();
+ OS.dcb.ddevic = 0x70;
+ OS.dcb.dcomnd = 0xff; /* reset */
+ OS.dcb.dstats = DWRITE;
+ OS.dcb.dbuf = 0;
+ OS.dcb.dbyt = 0;
+ OS.dcb.daux = 0;
+ siov();
+
+ return OS.dvstat[DVSTAT_EXTENDED_ERROR]; // return extended status
}
-#endif
+
generated by cgit v1.2.3 (git 2.26.2) at 2026-03-28 14:13:24 +0000