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Update client code and some formatting changes

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dschmenk 2013-08-24 12:50:44 -07:00
parent 1a5d470f48
commit 5559e82d68
3 changed files with 202 additions and 202 deletions
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BIN
src/A2PI.PO
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130
src/a2lib.c
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@ -9,81 +9,81 @@
int a2open(char *ipaddr) int a2open(char *ipaddr)
{ {
struct sockaddr_in piaddr; struct sockaddr_in piaddr;
int res; int res;
int fd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP); int fd = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP);
if (fd < 0) if (fd < 0)
{ {
perror("Cannot create socket"); perror("Cannot create socket");
return -1; return -1;
} }
memset(&piaddr, 0, sizeof(piaddr)); memset(&piaddr, 0, sizeof(piaddr));
piaddr.sin_family = AF_INET; piaddr.sin_family = AF_INET;
piaddr.sin_port = htons(6502); piaddr.sin_port = htons(6502);
res = inet_pton(AF_INET, ipaddr, &piaddr.sin_addr); res = inet_pton(AF_INET, ipaddr, &piaddr.sin_addr);
if (res < 0) if (res < 0)
{ {
perror("First parameter is not a valid address family"); perror("First parameter is not a valid address family");
close(fd); close(fd);
return -1; return -1;
} }
else if (res == 0) else if (res == 0)
{ {
perror("Char string (second parameter does not contain valid ipaddress)"); perror("Char string (second parameter does not contain valid ipaddress)");
close(fd); close(fd);
return -1; return -1;
} }
if (connect(fd, (struct sockaddr *)&piaddr, sizeof(piaddr)) < 0) if (connect(fd, (struct sockaddr *)&piaddr, sizeof(piaddr)) < 0)
{ {
perror("Connect failed"); perror("Connect failed");
close(fd); close(fd);
return -1; return -1;
} }
return fd; return fd;
} }
void a2close(int fd) void a2close(int fd)
{ {
char closepkt; char closepkt;
closepkt = 0xFF; closepkt = 0xFF;
write(fd, &closepkt, 1); write(fd, &closepkt, 1);
shutdown(fd, SHUT_RDWR); shutdown(fd, SHUT_RDWR);
close(fd); close(fd);
} }
int a2read(int fd, int address, int count, char *buffer) int a2read(int fd, int address, int count, char *buffer)
{ {
char readpkt[8]; char readpkt[8];
readpkt[0] = 0x90; // read readpkt[0] = 0x90; // read
readpkt[1] = address; readpkt[1] = address;
readpkt[2] = address >> 8; readpkt[2] = address >> 8;
readpkt[3] = count; readpkt[3] = count;
readpkt[4] = count >> 8; readpkt[4] = count >> 8;
write(fd, readpkt, 5); write(fd, readpkt, 5);
read(fd, buffer, count); read(fd, buffer, count);
read(fd, readpkt, 2); read(fd, readpkt, 2);
return ((unsigned char)readpkt[0] == 0x9E); return ((unsigned char)readpkt[0] == 0x9E);
} }
int a2write(int fd, int address, int count, char *buffer) int a2write(int fd, int address, int count, char *buffer)
{ {
char writepkt[8]; char writepkt[8];
writepkt[0] = 0x92; // write writepkt[0] = 0x92; // write
writepkt[1] = address; writepkt[1] = address;
writepkt[2] = address >> 8; writepkt[2] = address >> 8;
writepkt[3] = count; writepkt[3] = count;
writepkt[4] = count >> 8; writepkt[4] = count >> 8;
write(fd, writepkt, 5); write(fd, writepkt, 5);
write(fd, buffer, count); write(fd, buffer, count);
read(fd, writepkt, 2); read(fd, writepkt, 2);
return ((unsigned char)writepkt[0] == 0x9E); return ((unsigned char)writepkt[0] == 0x9E);
} }
int a2call(int fd, int address, int *result) int a2call(int fd, int address, int *result)
{ {
char callpkt[4]; char callpkt[4];
callpkt[0] = 0x94; // call callpkt[0] = 0x94; // call
callpkt[1] = address; callpkt[1] = address;
callpkt[2] = address >> 8; callpkt[2] = address >> 8;
write(fd, callpkt, 3); write(fd, callpkt, 3);
read(fd, callpkt, 2); read(fd, callpkt, 2);
if (result) if (result)
*result = (unsigned char)callpkt[1]; *result = (unsigned char)callpkt[1];
return ((unsigned char)callpkt[0] == 0x9E); return ((unsigned char)callpkt[0] == 0x9E);
} }

274
src/a2mon.c
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@ -2,149 +2,149 @@
void prbytes(int address, int count, char *data) void prbytes(int address, int count, char *data)
{ {
int i; int i;
printf("%04X:", address); printf("%04X:", address);
for (i = 0; i < count; i++) for (i = 0; i < count; i++)
printf(" %02X", (unsigned char)data[i]); printf(" %02X", (unsigned char)data[i]);
printf("\n"); printf("\n");
} }
void exec(int fd, int cmd, int *address, int value, char *data, int *index) void a2exec(int fd, int cmd, int *address, int value, char *data, int *index)
{ {
int a, c; int a, c;
switch (cmd) switch (cmd)
{ {
case 0x00: case 0x00:
if (value != -1) if (value != -1)
*address = value; *address = value;
break; break;
case 0x90: /* read */ case 0x90: /* read */
if (value < *address) if (value < *address)
value = *address; value = *address;
for (a = *address; a <= value; a += 16) for (a = *address; a <= value; a += 16)
{ {
c = a + 16 > value ? value - a + 1 : 16; c = a + 16 > value ? value - a + 1 : 16;
a2read(fd, a, c, data); a2read(fd, a, c, data);
prbytes(a, c, data); prbytes(a, c, data);
} }
*address = value + 1; *address = value + 1;
break; break;
case 0x92: /* write */ case 0x92: /* write */
if (*index) if (*index)
a2write(fd, *address, *index, data); a2write(fd, *address, *index, data);
*address += *index; *address += *index;
*index = 0; *index = 0;
break; break;
case 0x94: /* call */ case 0x94: /* call */
a2call(fd, *address, NULL); a2call(fd, *address, NULL);
break; break;
} }
} }
int parsestr(int fd, char *cmdstr) int parsestr(int fd, char *cmdstr)
{ {
char databuf[1024]; char databuf[1024];
static int addr = 0; static int addr = 0;
int index = 0; int index = 0;
int parseval = -1; int parseval = -1;
int cmd =0 ; int cmd =0 ;
while (1) while (1)
{ {
switch (*cmdstr) switch (*cmdstr)
{ {
case ':': /* write bytes */ case ':': /* write bytes */
exec(fd, cmd, &addr, parseval, databuf, &index); a2exec(fd, cmd, &addr, parseval, databuf, &index);
cmd = 0x92; cmd = 0x92;
parseval = -1; parseval = -1;
break; break;
case '.': /* read address range */ case '.': /* read address range */
exec(fd, cmd, &addr, parseval, databuf, &index); a2exec(fd, cmd, &addr, parseval, databuf, &index);
cmd = 0x90; cmd = 0x90;
parseval = -1; parseval = -1;
break; break;
case 'R': /* run */ case 'R': /* run */
case 'r': case 'r':
exec(fd, cmd, &addr, parseval, databuf, &index); a2exec(fd, cmd, &addr, parseval, databuf, &index);
cmd = 0x94; cmd = 0x94;
break; break;
case 'a': case 'a':
case 'b': case 'b':
case 'c': case 'c':
case 'd': case 'd':
case 'e': case 'e':
case 'f': case 'f':
*cmdstr -= 'a' - 'A'; *cmdstr -= 'a' - 'A';
case 'A': case 'A':
case 'B': case 'B':
case 'C': case 'C':
case 'D': case 'D':
case 'E': case 'E':
case 'F': case 'F':
*cmdstr -= 'A' - '9' - 1; *cmdstr -= 'A' - '9' - 1;
case '0': case '0':
case '1': case '1':
case '2': case '2':
case '3': case '3':
case '4': case '4':
case '5': case '5':
case '6': case '6':
case '7': case '7':
case '8': case '8':
case '9': case '9':
if (parseval == -1) if (parseval == -1)
parseval = 0; parseval = 0;
parseval = parseval * 16 + *cmdstr - '0'; parseval = parseval * 16 + *cmdstr - '0';
break; break;
case ' ': case ' ':
if (parseval != -1) if (parseval != -1)
{ {
if (cmd == 0x92) if (cmd == 0x92)
databuf[index++] = parseval; databuf[index++] = parseval;
else else
exec(fd, cmd, &addr, parseval, databuf, &index); a2exec(fd, cmd, &addr, parseval, databuf, &index);
parseval = -1; parseval = -1;
} }
break; break;
case '\n': case '\n':
case '\0': case '\0':
if (parseval != -1) if (parseval != -1)
{ {
if (cmd == 0x92) if (cmd == 0x92)
databuf[index++] = parseval; databuf[index++] = parseval;
else if (cmd == 0) else if (cmd == 0)
{ {
addr = parseval; addr = parseval;
cmd = 0x90; cmd = 0x90;
} }
} }
exec(fd, cmd, &addr, parseval, databuf, &index); a2exec(fd, cmd, &addr, parseval, databuf, &index);
return 1; return 1;
break; break;
case 'Q': case 'Q':
case 'q': case 'q':
return 0; return 0;
default: default:
return 1; return 1;
} }
cmdstr++; cmdstr++;
} }
return 1; return 1;
} }
int main(int argc, char **argv) int main(int argc, char **argv)
{ {
char instr[256]; char instr[256];
int pifd = a2open(argc > 1 ? argv[1] : "127.0.0.1"); int pifd = a2open(argc > 1 ? argv[1] : "127.0.0.1");
if (pifd < 0) if (pifd < 0)
{ {
perror("Unable to connect to Apple II Pi"); perror("Unable to connect to Apple II Pi");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
while (fgets(instr, 254, stdin) != NULL) while (fgets(instr, 254, stdin) != NULL)
{ {
if (!parsestr(pifd, instr)) if (!parsestr(pifd, instr))
break; break;
} }
a2close(pifd); a2close(pifd);
return EXIT_SUCCESS; return EXIT_SUCCESS;
} }