QString SpimView::formatMemoryContents(mem_addr from, mem_addr to)
{
mem_addr i = ROUND_UP(from, BYTES_PER_WORD);
QString windowContents = formatPartialQuadWord(i, to);
i = ROUND_UP(i, BYTES_PER_LINE); // Next quadword
for ( ; i < to; )
{
mem_word val;
/* Count consecutive zero words */
int j;
for (j = 0; (i + (uint32) j * BYTES_PER_WORD) < to; j += 1)
{
val = read_mem_word(i + (uint32) j * BYTES_PER_WORD);
if (val != 0)
{
break;
}
}
if (j >= 4)
{
/* Block of 4 or more zero memory words: */
windowContents += QString("[") % formatAddress(i)
% QString("]..[") % formatAddress(i + (uint32) j * BYTES_PER_WORD - 1)
% QString("]") % nnbsp(2) % QString("00000000<br>");
i = i + (uint32) j * BYTES_PER_WORD;
windowContents += formatPartialQuadWord(i, to);
i = ROUND_UP(i, BYTES_PER_LINE); // Next quadword
}
else
{
/* Fewer than 4 zero words, print them on a single line: */
windowContents += QString("[") % formatAddress(i) % "]" % nnbsp(2);
mem_addr j = i;
do
{
val = read_mem_word(i);
windowContents += nnbsp(2) % formatWord(val, st_dataSegmentDisplayBase);
i += BYTES_PER_WORD;
}
while ((i % BYTES_PER_LINE) != 0 && i < to);
windowContents += nnbsp(2) % formatAsChars(j, i) % QString("<br>");
}
}
return windowContents;
}
void
format_mem (str_stream *ss, mem_addr from, mem_addr to)
{
mem_word val;
mem_addr i = ROUND_UP (from, BYTES_PER_WORD);
int j;
i = format_partial_line (ss, i);
for ( ; i < to; )
{
/* Count consecutive zero words */
for (j = 0; (i + (uint32) j * BYTES_PER_WORD) < to; j += 1)
{
val = read_mem_word (i + (uint32) j * BYTES_PER_WORD);
if (val != 0)
{
break;
}
}
if (j >= 4)
{
/* Block of 4 or more zero memory words: */
ss_printf (ss, "[0x%08x]...[0x%08x] 0x00000000\n",
i,
i + (uint32) j * BYTES_PER_WORD);
i = i + (uint32) j * BYTES_PER_WORD;
i = format_partial_line (ss, i);
}
else
{
/* Fewer than 4 zero words, print them on a single line: */
ss_printf (ss, "[0x%08x] ", i);
do
{
val = read_mem_word (i);
ss_printf (ss, " 0x%08x", (unsigned int)val);
i += BYTES_PER_WORD;
}
while (i % BYTES_PER_LINE != 0);
ss_printf (ss, "\n");
}
}
}
static void nec_interrupt(nec_state_t *nec_state, unsigned int_num, INTSOURCES source)
{
UINT32 dest_seg, dest_off;
i_pushf(nec_state);
nec_state->TF = nec_state->IF = 0;
if (source == INT_IRQ) /* get vector */
int_num = (*nec_state->irq_callback)(nec_state->device, 0);
dest_off = read_mem_word(int_num*4);
dest_seg = read_mem_word(int_num*4+2);
PUSH(Sreg(PS));
PUSH(nec_state->ip);
nec_state->ip = (WORD)dest_off;
Sreg(PS) = (WORD)dest_seg;
CHANGE_PC;
}
void nec_common_device::nec_interrupt(unsigned int_num, int/*INTSOURCES*/ source)
{
UINT32 dest_seg, dest_off;
i_pushf();
m_TF = m_IF = 0;
if (source == INT_IRQ) /* get vector */
int_num = (standard_irq_callback)(0);
dest_off = read_mem_word(int_num*4);
dest_seg = read_mem_word(int_num*4+2);
PUSH(Sreg(PS));
PUSH(m_ip);
m_ip = (WORD)dest_off;
Sreg(PS) = (WORD)dest_seg;
CHANGE_PC;
}
static mem_addr
format_partial_line (str_stream *ss, mem_addr addr)
{
if ((addr % BYTES_PER_LINE) != 0)
{
ss_printf (ss, "[0x%08x] ", addr);
for (; (addr % BYTES_PER_LINE) != 0; addr += BYTES_PER_WORD)
{
mem_word val = read_mem_word (addr);
ss_printf (ss, " 0x%08x", (unsigned int)val);
}
ss_printf (ss, "\n");
}
return addr;
}
QString SpimView::formatPartialQuadWord(mem_addr from, mem_addr to)
{
QString windowContents = QString("");
if ((from % BYTES_PER_LINE) != 0 && from < to)
{
windowContents += QString("[") % formatAddress(from) % QString("]") % nnbsp(2);
mem_addr a;
for (a = from; (a % BYTES_PER_LINE) != 0; a += BYTES_PER_WORD)
{
mem_word val = read_mem_word(a);
windowContents += nnbsp(2) % formatWord(val, st_dataSegmentDisplayBase);
}
windowContents += formatAsChars(from, a) % QString("<br>");
}
return windowContents;
}