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vrc5074: Improve debug messaging for serial port. (nw)

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This commit is contained in:
Ted Green 2017-11-02 08:51:02 -06:00
parent 8ba7cdd044
commit 9dae4aca6e
1 changed files with 14 additions and 3 deletions
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17
src/devices/machine/vrc5074.cpp
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@ -877,6 +877,8 @@ WRITE32_MEMBER(vrc5074_device::cpu_reg_w)
map_cpu_space();
break;
case NREG_CPUSTAT + 0: /* CPU status */
if (data & 0x1) logerror("cpu_reg_w: System Cold Reset\n");
if (data & 0x2) logerror("cpu_reg_w: CPU Warm Reset\n");
case NREG_CPUSTAT + 1: /* CPU status */
if (LOG_NILE) logerror("%08X:NILE WRITE: CPU status(%03X) = %08X & %08X\n", m_cpu_space->device().safe_pc(), offset * 4, data, mem_mask);
logit = 0;
@ -1003,7 +1005,7 @@ READ32_MEMBER(vrc5074_device::serial_r)
{
uint32_t result = m_uart->ins8250_r(space, offset>>1);
if (LOG_NILE)
if (0 && LOG_NILE)
logerror("%06X:serial_r offset %03X = %08X (%08x)\n", m_cpu_space->device().safe_pc(), offset>>1, result, offset*4);
return result;
}
@ -1011,8 +1013,17 @@ READ32_MEMBER(vrc5074_device::serial_r)
WRITE32_MEMBER(vrc5074_device::serial_w)
{
m_uart->ins8250_w(space, offset>>1, data);
if (PRINTF_SERIAL && offset == NREG_UARTTHR)
if (PRINTF_SERIAL && offset == NREG_UARTTHR) {
static std::string debugStr;
printf("%c", data);
if (LOG_NILE)
if (data == 0xd || debugStr.length()>=80) {
logerror("%s", debugStr.c_str());
debugStr.clear();
}
else {
debugStr += char(data);
}
}
if (0 && LOG_NILE)
logerror("%06X:serial_w offset %03X = %08X & %08X (%08x)\n", m_cpu_space->device().safe_pc(), offset>>1, data, mem_mask, offset*4);
}