| Line 66... |
Line 66... |
#define TTYC_ERR '5'
|
#define TTYC_ERR '5'
|
|
|
const unsigned TTYBUS::MAXRDLEN = 1024;
|
const unsigned TTYBUS::MAXRDLEN = 1024;
|
const unsigned TTYBUS::MAXWRLEN = 32;
|
const unsigned TTYBUS::MAXWRLEN = 32;
|
|
|
#define DBGPRINTF null
|
|
// #define DBGPRINTF printf
|
// #define DBGPRINTF printf
|
// #define DBGPRINTF filedump
|
#define DBGPRINTF filedump
|
|
#ifndef DBGPRINTF
|
|
#define DBGPRINTF null
|
|
#endif
|
|
|
void null(...) {}
|
void null(...) {}
|
#include <stdarg.h>
|
#include <stdarg.h> // replaces the (defunct) varargs.h include file
|
// #include <varargs.h>
|
void filedump(const char *fmt, ...) {
|
/*
|
static FILE *dbgfp = NULL;
|
void filedump(const char *fmt, ...) {
|
va_list args;
|
static FILE *dbgfp = NULL;
|
|
va_list args;
|
if (!dbgfp)
|
|
dbgfp = fopen("debug.txt", "w");
|
if (!dbgfp)
|
va_start(args, fmt);
|
dbgfp = fopen("debug.txt", "w");
|
vfprintf(dbgfp, fmt, args);
|
va_start(args, fmt);
|
va_end(args);
|
vfprintf(dbgfp, fmt, args);
|
fflush(dbgfp);
|
va_end(args);
|
|
fflush(dbgfp);
|
// If you want the debug output to go to stderr as well, you can
|
}
|
// uncomment the next couple of lines
|
*/
|
// va_start(args, fmt);
|
|
// vfprintf(stderr, fmt, args);
|
|
// va_end(args);
|
|
}
|
|
|
char TTYBUS::charenc(const int sixbitval) const {
|
char TTYBUS::charenc(const int sixbitval) const {
|
if (sixbitval < 10)
|
if (sixbitval < 10)
|
return '0' + sixbitval;
|
return '0' + sixbitval;
|
else if (sixbitval < 10+26)
|
else if (sixbitval < 10+26)
|
| Line 122... |
Line 127... |
}
|
}
|
|
|
int TTYBUS::lclreadcode(char *buf, int len) {
|
int TTYBUS::lclreadcode(char *buf, int len) {
|
char *sp, *dp;
|
char *sp, *dp;
|
int nr, ret;
|
int nr, ret;
|
|
static int lastskip = 0;
|
|
|
nr = m_dev->read(buf, len);
|
nr = m_dev->read(buf, len);
|
m_total_nread += nr;
|
m_total_nread += nr;
|
ret = nr; sp = buf; dp = buf;
|
ret = nr; sp = buf; dp = buf;
|
for(int i=0; i<nr; i++) {
|
for(int i=0; i<nr; i++) {
|
if (chardec(*sp)&(~0x3f)) {
|
if (chardec(*sp)&(~0x3f)) {
|
|
int uv = (*sp)&0x0ff;
|
ret--; // Skip this value, not a valid codeword
|
ret--; // Skip this value, not a valid codeword
|
|
if ((false)&&((!lastskip)||(uv != lastskip))) {
|
|
DBGPRINTF("lclreadcode: Skipping %02x\n", uv);
|
|
lastskip = uv;
|
|
}
|
sp++;
|
sp++;
|
} else {
|
} else {
|
*sp++ = *dp++;
|
lastskip = 0;
|
|
// DBGPRINTF("lclreadcode: Read %c (%02x -> %02x)\n",
|
|
// *sp, *sp, chardec(*sp));
|
|
*dp++ = *sp++;
|
}
|
}
|
} return ret;
|
} return ret;
|
}
|
}
|
|
|
void TTYBUS::bufalloc(int len) {
|
void TTYBUS::bufalloc(int len) {
|
| Line 186... |
Line 200... |
m_lastaddr = a; m_addr_set = true;
|
m_lastaddr = a; m_addr_set = true;
|
}
|
}
|
|
|
void TTYBUS::writev(const BUSW a, const int p, const int len, const BUSW *buf) {
|
void TTYBUS::writev(const BUSW a, const int p, const int len, const BUSW *buf) {
|
char *ptr;
|
char *ptr;
|
|
int nw = 0;
|
|
|
// We'll never be called with more than MAXWRLEN words to write at once.
|
// We'll never be called with more than MAXWRLEN words to write at once.
|
// This is a configurable option length, set at the top of this file.
|
// This is a configurable option length, set at the top of this file.
|
// (currently set at 32, but subject to change ...) This is important,
|
// (currently set at 32, but subject to change ...) This is important,
|
// as the return channel *must* be capable of holding at least this many
|
// as the return channel *must* be capable of holding at least this many
|
| Line 204... |
Line 219... |
DBGPRINTF("WRITEV(%08x,%d,#%d,0x%08x ...)\n", a, p, len, buf[0]);
|
DBGPRINTF("WRITEV(%08x,%d,#%d,0x%08x ...)\n", a, p, len, buf[0]);
|
// Encode the address
|
// Encode the address
|
ptr = encode_address(a);
|
ptr = encode_address(a);
|
m_lastaddr = a; m_addr_set = true;
|
m_lastaddr = a; m_addr_set = true;
|
|
|
for(int i=0; i<len; i++) {
|
while(nw < len) {
|
BUSW val = buf[i];
|
int ln = len-nw;
|
|
if ((unsigned)ln > MAXWRLEN)
|
|
ln = MAXWRLEN;
|
|
|
|
for(int i=0; i<ln; i++) {
|
|
BUSW val = buf[nw+i];
|
|
|
int caddr = 0;
|
int caddr = 0;
|
// Let's try compression
|
// Let's try compression
|
for(int i=1; i<256; i++) {
|
for(int i=1; i<256; i++) {
|
unsigned tstaddr;
|
unsigned tstaddr;
|
| Line 250... |
Line 270... |
}
|
}
|
|
|
if (p == 1) m_lastaddr++;
|
if (p == 1) m_lastaddr++;
|
}
|
}
|
// *ptr++ = charenc(0x2e);
|
// *ptr++ = charenc(0x2e);
|
*ptr++ = '\n'; *ptr = '\0';
|
if (ln == len-nw)
|
|
*ptr++ = '\n';
|
|
*ptr = '\0';
|
m_dev->write(m_buf, ptr-m_buf);
|
m_dev->write(m_buf, ptr-m_buf);
|
|
|
DBGPRINTF(">> %s\n", m_buf);
|
DBGPRINTF(">> %s\n", m_buf);
|
|
|
|
readidle();
|
|
|
|
nw += ln;
|
|
ptr = m_buf;
|
|
}
|
DBGPRINTF("WR: LAST ADDRESS LEFT AT %08x\n", m_lastaddr);
|
DBGPRINTF("WR: LAST ADDRESS LEFT AT %08x\n", m_lastaddr);
|
|
|
// Need to clear the incoming queue ... if there's anything there.
|
// Need to clear the incoming queue ... if there's anything there.
|
// We could do a ...
|
// We could do a ...
|
// readacks(len);
|
// readacks(len);
|
| Line 270... |
Line 297... |
// message.
|
// message.
|
readidle();
|
readidle();
|
}
|
}
|
|
|
void TTYBUS::writez(const BUSW a, const int len, const BUSW *buf) {
|
void TTYBUS::writez(const BUSW a, const int len, const BUSW *buf) {
|
int ln = len;
|
/*
|
const TTYBUS::BUSW *bptr = buf;
|
int ln = len;
|
TTYBUS::BUSW addr = a;
|
const TTYBUS::BUSW *bptr = buf;
|
|
TTYBUS::BUSW addr = a;
|
while((unsigned)ln > MAXWRLEN) {
|
|
writev(addr, 0, MAXWRLEN, bptr);
|
while((unsigned)ln > MAXWRLEN) {
|
bptr += MAXWRLEN;
|
writev(addr, 0, MAXWRLEN, bptr);
|
ln -= MAXWRLEN;
|
bptr += MAXWRLEN;
|
// addr += MAXWRLEN;
|
ln -= MAXWRLEN;
|
} if ((unsigned)ln > 0)
|
// addr += MAXWRLEN;
|
writev(addr, 0, ln, bptr);
|
} if ((unsigned)ln > 0)
|
|
writev(addr, 0, ln, bptr);
|
|
*/
|
|
writev(a, 0, len, buf);
|
}
|
}
|
|
|
void TTYBUS::writei(const BUSW a, const int len, const BUSW *buf) {
|
void TTYBUS::writei(const BUSW a, const int len, const BUSW *buf) {
|
int ln = len;
|
/*
|
const TTYBUS::BUSW *bptr = buf;
|
int ln = len;
|
TTYBUS::BUSW addr = a;
|
const TTYBUS::BUSW *bptr = buf;
|
|
TTYBUS::BUSW addr = a;
|
while((unsigned)ln > MAXWRLEN) {
|
|
writev(addr, 1, MAXWRLEN, bptr);
|
while((unsigned)ln > MAXWRLEN) {
|
bptr += MAXWRLEN;
|
writev(addr, 1, MAXWRLEN, bptr);
|
ln -= MAXWRLEN;
|
bptr += MAXWRLEN;
|
addr += MAXWRLEN;
|
ln -= MAXWRLEN;
|
} if ((unsigned)ln > 0)
|
addr += MAXWRLEN;
|
writev(addr, 1, ln, bptr);
|
} if ((unsigned)ln > 0)
|
|
writev(addr, 1, ln, bptr);
|
|
*/
|
|
writev(a, 1, len, buf);
|
}
|
}
|
|
|
TTYBUS::BUSW TTYBUS::readio(const TTYBUS::BUSW a) {
|
TTYBUS::BUSW TTYBUS::readio(const TTYBUS::BUSW a) {
|
BUSW v;
|
BUSW v;
|
|
|
| Line 306... |
Line 339... |
// of one.
|
// of one.
|
DBGPRINTF("READIO(0x%08x)\n", a);
|
DBGPRINTF("READIO(0x%08x)\n", a);
|
try {
|
try {
|
readv(a, 0, 1, &v);
|
readv(a, 0, 1, &v);
|
} catch(BUSERR b) {
|
} catch(BUSERR b) {
|
|
DBGPRINTF("BUSERR trying to read %08x\n", a);
|
throw BUSERR(a);
|
throw BUSERR(a);
|
}
|
}
|
|
|
if (m_lastaddr != a) {
|
if (m_lastaddr != a) {
|
DBGPRINTF("LAST-ADDR MIS-MATCH: (RCVD) %08x != %08x (XPECTED)\n", m_lastaddr, a);
|
DBGPRINTF("LAST-ADDR MIS-MATCH: (RCVD) %08x != %08x (XPECTED)\n", m_lastaddr, a);
|
| Line 323... |
Line 357... |
|
|
char *TTYBUS::encode_address(const TTYBUS::BUSW a) {
|
char *TTYBUS::encode_address(const TTYBUS::BUSW a) {
|
TTYBUS::BUSW addr = a;
|
TTYBUS::BUSW addr = a;
|
char *ptr = m_buf;
|
char *ptr = m_buf;
|
|
|
// #warning DEBUG_APPROACH
|
|
// encode(0, addr, ptr);
|
|
// return ptr+6;
|
|
|
|
if ((m_addr_set)&&(a == m_lastaddr))
|
if ((m_addr_set)&&(a == m_lastaddr))
|
return ptr;
|
return ptr;
|
|
|
if (m_addr_set) {
|
if (m_addr_set) {
|
// Encode a difference address
|
// Encode a difference address
|
| Line 354... |
Line 384... |
*ptr++ = charenc((diffaddr>>12) & 0x03f);
|
*ptr++ = charenc((diffaddr>>12) & 0x03f);
|
*ptr++ = charenc((diffaddr>> 6) & 0x03f);
|
*ptr++ = charenc((diffaddr>> 6) & 0x03f);
|
*ptr++ = charenc( diffaddr & 0x03f);
|
*ptr++ = charenc( diffaddr & 0x03f);
|
}
|
}
|
*ptr = '\0';
|
*ptr = '\0';
|
DBGPRINTF("DIF-ADDR: (%ld) \'%s\'\n", ptr-m_buf, m_buf);
|
DBGPRINTF("DIF-ADDR: (%ld) \'%s\' encodes last_addr(0x%08x) %c %d(0x%08x)\n",
|
|
ptr-m_buf, m_buf,
|
|
m_lastaddr, (diffaddr<0)?'-':'+',
|
|
diffaddr, diffaddr&0x0ffffffff);
|
}
|
}
|
|
|
{
|
{
|
// Encode an absolute (low memory) address
|
// Encode an absolute (low memory) address
|
// Prefer absolute address encoding over differential encoding,
|
// Prefer absolute address encoding over differential encoding,
|
| Line 367... |
Line 400... |
if ((addr <= 0x03f)&&((ptr == m_buf)||(ptr >= &m_buf[2]))) {
|
if ((addr <= 0x03f)&&((ptr == m_buf)||(ptr >= &m_buf[2]))) {
|
ptr = m_buf;
|
ptr = m_buf;
|
*ptr++ = charenc(0x08);
|
*ptr++ = charenc(0x08);
|
*ptr++ = charenc(addr);
|
*ptr++ = charenc(addr);
|
} else if((addr <= 0x0fff)&&((ptr == m_buf)||(ptr >= &m_buf[3]))) {
|
} else if((addr <= 0x0fff)&&((ptr == m_buf)||(ptr >= &m_buf[3]))) {
|
DBGPRINTF("Setting ADDR.3 to %08x\n", addr);
|
// DBGPRINTF("Setting ADDR.3 to %08x\n", addr);
|
ptr = m_buf;
|
ptr = m_buf;
|
*ptr++ = charenc(0x0a);
|
*ptr++ = charenc(0x0a);
|
*ptr++ = charenc((addr>> 6) & 0x03f);
|
*ptr++ = charenc((addr>> 6) & 0x03f);
|
*ptr++ = charenc( addr & 0x03f);
|
*ptr++ = charenc( addr & 0x03f);
|
} else if((addr <= 0x03ffff)&&((ptr == m_buf)||(ptr >= &m_buf[4]))) {
|
} else if((addr <= 0x03ffff)&&((ptr == m_buf)||(ptr >= &m_buf[4]))) {
|
DBGPRINTF("Setting ADDR.4 to %08x\n", addr);
|
// DBGPRINTF("Setting ADDR.4 to %08x\n", addr);
|
ptr = m_buf;
|
ptr = m_buf;
|
*ptr++ = charenc(0x0c);
|
*ptr++ = charenc(0x0c);
|
*ptr++ = charenc((addr>>12) & 0x03f);
|
*ptr++ = charenc((addr>>12) & 0x03f);
|
*ptr++ = charenc((addr>> 6) & 0x03f);
|
*ptr++ = charenc((addr>> 6) & 0x03f);
|
*ptr++ = charenc( addr & 0x03f);
|
*ptr++ = charenc( addr & 0x03f);
|
} else if((addr <= 0x0ffffff)&&((ptr == m_buf)||(ptr >= &m_buf[5]))) {
|
} else if((addr <= 0x0ffffff)&&((ptr == m_buf)||(ptr >= &m_buf[5]))) {
|
DBGPRINTF("Setting ADDR.5 to %08x\n", addr);
|
// DBGPRINTF("Setting ADDR.5 to %08x\n", addr);
|
ptr = m_buf;
|
ptr = m_buf;
|
*ptr++ = charenc(0x0e);
|
*ptr++ = charenc(0x0e);
|
*ptr++ = charenc((addr>>18) & 0x03f);
|
*ptr++ = charenc((addr>>18) & 0x03f);
|
*ptr++ = charenc((addr>>12) & 0x03f);
|
*ptr++ = charenc((addr>>12) & 0x03f);
|
*ptr++ = charenc((addr>> 6) & 0x03f);
|
*ptr++ = charenc((addr>> 6) & 0x03f);
|
| Line 395... |
Line 428... |
ptr+=6;
|
ptr+=6;
|
}
|
}
|
}
|
}
|
|
|
*ptr = '\0';
|
*ptr = '\0';
|
DBGPRINTF("ADDR-CMD: (%ld) \'%s\'\n", ptr-m_buf, m_buf);
|
// DBGPRINTF("ADDR-CMD: (%ld) \'%s\'\n", ptr-m_buf, m_buf);
|
m_rdaddr = 0;
|
m_rdaddr = 0;
|
|
|
return ptr;
|
return ptr;
|
}
|
}
|
|
|
char *TTYBUS::readcmd(const int inc, const int len, char *buf) {
|
char *TTYBUS::readcmd(const int inc, const int len, char *buf) {
|
char *ptr = buf;
|
char *ptr = buf;
|
|
|
DBGPRINTF("READCMD: LEN = %d\n", len);
|
DBGPRINTF("READCMD: LEN = %d: ", len);
|
assert(len < 520);
|
assert(len < 520);
|
assert(len > 0);
|
assert(len > 0);
|
|
|
if ((len < 8)||((len == 8)&&(inc))) {
|
if (len <= 8) {
|
*ptr++ = charenc(0x20 + (((len-1)&0x07)<<1) + (inc?1:0));
|
*ptr++ = charenc(0x20 + (((len-1)&0x07)<<1) + (inc?1:0));
|
|
DBGPRINTF("%c\n", ptr[-1]);
|
} else {
|
} else {
|
*ptr++ = charenc(0x30 + (((len-8)>>5)&0x0e) + (inc?1:0));
|
*ptr++ = charenc(0x30 + (((len-9)>>5)&0x0e) + (inc?1:0));
|
*ptr++ = charenc( (len-8) & 0x03f);
|
*ptr++ = charenc( (len-9) & 0x03f);
|
|
DBGPRINTF("%c%c\n", ptr[-2], ptr[-1]);
|
}
|
}
|
|
|
return ptr;
|
return ptr;
|
}
|
}
|
|
|
void TTYBUS::readv(const TTYBUS::BUSW a, const int inc, const int len, TTYBUS::BUSW *buf) {
|
void TTYBUS::readv(const TTYBUS::BUSW a, const int inc, const int len, TTYBUS::BUSW *buf) {
|
const int READAHEAD = MAXRDLEN/2, READBLOCK=MAXRDLEN/2;
|
const int READAHEAD = 0, READBLOCK=(MAXRDLEN/2>512)?512:MAXRDLEN/2;
|
int cmdrd = 0, nread = 0;
|
int cmdrd = 0, nread = 0;
|
// TTYBUS::BUSW addr = a;
|
// TTYBUS::BUSW addr = a;
|
char *ptr = m_buf;
|
char *ptr = m_buf;
|
|
|
if (len <= 0)
|
if (len <= 0)
|
return;
|
return;
|
DBGPRINTF("READV(%08x,%d,#%4d)\n", a, inc, len);
|
// DBGPRINTF("READV(%08x,%d,#%4d)\n", a, inc, len);
|
|
|
// m_addr_set = false;
|
|
ptr = encode_address(a);
|
ptr = encode_address(a);
|
try {
|
try {
|
while(cmdrd < len) {
|
while(cmdrd < len) {
|
// ptr = m_buf;
|
// ptr = m_buf;
|
do {
|
do {
|
| Line 449... |
Line 483... |
m_dev->write(m_buf, (ptr-m_buf));
|
m_dev->write(m_buf, (ptr-m_buf));
|
|
|
while(nread<(cmdrd-READAHEAD)) {
|
while(nread<(cmdrd-READAHEAD)) {
|
buf[nread++] = readword();
|
buf[nread++] = readword();
|
} ptr = m_buf;
|
} ptr = m_buf;
|
} while(nread<len) {
|
} // DBGPRINTF("Reading %d words, to end the read\n", len-nread);
|
|
while(nread<len) {
|
buf[nread++] = readword();
|
buf[nread++] = readword();
|
}
|
}
|
} catch(BUSERR b) {
|
} catch(BUSERR b) {
|
|
DBGPRINTF("READV::BUSERR trying to read %08x\n", a+((inc)?nread:0));
|
throw BUSERR(a+((inc)?nread:0));
|
throw BUSERR(a+((inc)?nread:0));
|
}
|
}
|
|
|
if ((unsigned)m_lastaddr != (a+((inc)?(len):0))) {
|
if ((unsigned)m_lastaddr != (a+((inc)?(len):0))) {
|
DBGPRINTF("TTYBUS::READV(a=%08x,inc=%d,len=%4x,x) ERR: (Last) %08x != %08x + %08x (Expected)\n", a, inc, len, m_lastaddr, a, (inc)?(len):0);
|
DBGPRINTF("TTYBUS::READV(a=%08x,inc=%d,len=%4x,x) ERR: (Last) %08x != %08x + %08x (Expected)\n", a, inc, len, m_lastaddr, a, (inc)?(len):0);
|
printf("TTYBUS::READV(a=%08x,inc=%d,len=%4x,x) ERR: (Last) %08x != %08x + %08x (Expected)\n", a, inc, len, m_lastaddr, a, (inc)?(len):0);
|
printf("TTYBUS::READV(a=%08x,inc=%d,len=%4x,x) ERR: (Last) %08x != %08x + %08x (Expected)\n", a, inc, len, m_lastaddr, a, (inc)?(len):0);
|
sleep(1);
|
sleep(1);
|
assert((int)m_lastaddr == (a+(inc)?(len):0));
|
assert((int)m_lastaddr == (a+(inc)?(len):0));
|
exit(-3);
|
exit(-3);
|
}
|
}
|
|
|
|
DBGPRINTF("READV::COMPLETE\n");
|
}
|
}
|
|
|
void TTYBUS::readi(const TTYBUS::BUSW a, const int len, TTYBUS::BUSW *buf) {
|
void TTYBUS::readi(const TTYBUS::BUSW a, const int len, TTYBUS::BUSW *buf) {
|
readv(a, 1, len, buf);
|
readv(a, 1, len, buf);
|
}
|
}
|
| Line 576... |
Line 614... |
rdaddr = (m_rdaddr-idx)&0x03ff;
|
rdaddr = (m_rdaddr-idx)&0x03ff;
|
val = m_readtbl[rdaddr];
|
val = m_readtbl[rdaddr];
|
m_lastaddr += (sixbits&1);
|
m_lastaddr += (sixbits&1);
|
DBGPRINTF("READ-WORD() -- long table value[%3d], %08x, A=%08x\n", idx, val, m_lastaddr);
|
DBGPRINTF("READ-WORD() -- long table value[%3d], %08x, A=%08x\n", idx, val, m_lastaddr);
|
} else if (0x20 == (sixbits & 0x030)) { // Tbl read, 2-9 into past
|
} else if (0x20 == (sixbits & 0x030)) { // Tbl read, 2-9 into past
|
rdaddr = (m_rdaddr - (((sixbits>>1)&0x07)+2)) & 0x03ff;
|
int idx;
|
|
idx = (((sixbits>>1)&0x07)+2);
|
|
rdaddr = (m_rdaddr - idx) & 0x03ff;
|
val = m_readtbl[rdaddr];
|
val = m_readtbl[rdaddr];
|
m_lastaddr += (sixbits&1);
|
m_lastaddr += (sixbits&1);
|
DBGPRINTF("READ-WORD() -- short table value[%3d], %08x, A=%08x\n", rdaddr, val, m_lastaddr);
|
DBGPRINTF("READ-WORD() -- short table value[%3d], %08x, A=%08x\n", idx, val, m_lastaddr);
|
} else if (0x38 == (sixbits & 0x038)) { // Raw read
|
} else if (0x38 == (sixbits & 0x038)) { // Raw read
|
DBGPRINTF("READ-WORD() -- RAW-READ, nr = %d\n", nr);
|
// DBGPRINTF("READ-WORD() -- RAW-READ, nr = %d\n", nr);
|
do {
|
do {
|
nr += lclreadcode(&m_buf[nr], 6-nr);
|
nr += lclreadcode(&m_buf[nr], 6-nr);
|
} while (nr < 6);
|
} while (nr < 6);
|
|
|
val = (chardec(m_buf[0])>>1) & 0x03;
|
val = (chardec(m_buf[0])>>1) & 0x03;
|
| Line 625... |
Line 665... |
;
|
;
|
} else if (sixbits < 6) {
|
} else if (sixbits < 6) {
|
switch(sixbits) {
|
switch(sixbits) {
|
case 0: break; // Idle -- ignore
|
case 0: break; // Idle -- ignore
|
case 1: break; // Idle, but the bus is busy
|
case 1: break; // Idle, but the bus is busy
|
case 2: break; // Write acknowledgement, ignore it here
|
case 2:
|
|
// Write acknowledgement, ignore it here
|
|
// This is one of the big reasons why we are
|
|
// doing this.
|
|
break;
|
case 3:
|
case 3:
|
m_bus_err = true;
|
m_bus_err = true;
|
DBGPRINTF("READ-IDLE() - BUSERR\n");
|
DBGPRINTF("READ-IDLE() - BUSERR\n");
|
throw BUSERR(0);
|
throw BUSERR(0);
|
break;
|
break;
|
| Line 694... |
Line 738... |
if (found_start) {
|
if (found_start) {
|
// We're in readidle(). We don't expect to find any data.
|
// We're in readidle(). We don't expect to find any data.
|
// But ... we did. So, just read it off and ignore it.
|
// But ... we did. So, just read it off and ignore it.
|
int rdaddr;
|
int rdaddr;
|
|
|
// DBGPRINTF("READ-WORD() -- sixbits = %02x\n", sixbits);
|
DBGPRINTF("READ-IDLE() PANIC! -- sixbits = %02x\n", sixbits);
|
if (0x06 == (sixbits & 0x03e)) { // Tbl read, last value
|
if (0x06 == (sixbits & 0x03e)) { // Tbl read, last value
|
rdaddr = (m_rdaddr-1)&0x03ff;
|
rdaddr = (m_rdaddr-1)&0x03ff;
|
val = m_readtbl[rdaddr];
|
val = m_readtbl[rdaddr];
|
m_lastaddr += (sixbits&1);
|
m_lastaddr += (sixbits&1);
|
DBGPRINTF("READ-IDLE() -- repeat last value, %08x\n", val);
|
DBGPRINTF("READ-IDLE() -- repeat last value, %08x\n", val);
|
| Line 718... |
Line 762... |
rdaddr = (m_rdaddr - (((sixbits>>1)&0x07)+2)) & 0x03ff;
|
rdaddr = (m_rdaddr - (((sixbits>>1)&0x07)+2)) & 0x03ff;
|
val = m_readtbl[rdaddr];
|
val = m_readtbl[rdaddr];
|
m_lastaddr += (sixbits&1);
|
m_lastaddr += (sixbits&1);
|
DBGPRINTF("READ-IDLE() -- short table value[%3d], %08x\n", rdaddr, val);
|
DBGPRINTF("READ-IDLE() -- short table value[%3d], %08x\n", rdaddr, val);
|
} else if (0x38 == (sixbits & 0x038)) { // Raw read
|
} else if (0x38 == (sixbits & 0x038)) { // Raw read
|
DBGPRINTF("READ-IDLE() -- RAW-READ, nr = %d\n", nr);
|
|
do {
|
do {
|
nr += lclreadcode(&m_buf[nr], 6-nr);
|
nr += lclreadcode(&m_buf[nr], 6-nr);
|
} while (nr < 6);
|
} while (nr < 6);
|
|
|
val = (chardec(m_buf[0])>>1) & 0x03;
|
val = (chardec(m_buf[0])>>1) & 0x03;
|
