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Better documentation for midvunit wheel board (#2546)

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* Better documentation for midvunit wheel board
* Added part numbers
This commit is contained in:
Risugami 2017-08-05 01:29:05 -05:00 committed by Vas Crabb
parent 4c9ded40ad
commit 24f5d3a470
2 changed files with 87 additions and 68 deletions
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146
src/mame/drivers/midvunit.cpp
View File

@ -57,8 +57,9 @@ void midvunit_state::machine_start()
save_item(NAME(m_last_port0));
save_item(NAME(m_shifter_state));
save_item(NAME(m_timer_rate));
save_item(NAME(m_output_mode));
save_item(NAME(m_output));
save_item(NAME(m_wheel_board_output));
save_item(NAME(m_wheel_board_last));
save_item(NAME(m_wheel_board_u8_latch));
}
@ -375,9 +376,10 @@ WRITE32_MEMBER(midvunit_state::offroadc_serial_data_w)
m_midway_serial_pic2->write(space, 0, data >> 16);
}
READ32_MEMBER(midvunit_state::midvunit_output_r)
READ32_MEMBER(midvunit_state::midvunit_wheel_board_r)
{
return m_output;
//logerror("midvunit_wheel_board_r: %08X\n", m_wheel_board_output);
return m_wheel_board_output;
}
void midvunit_state::set_input(const char *s)
@ -387,49 +389,39 @@ void midvunit_state::set_input(const char *s)
m_galil_input_length = strlen(s);
}
WRITE32_MEMBER(midvunit_state::midvunit_output_w)
WRITE32_MEMBER(midvunit_state::midvunit_wheel_board_w)
{
uint8_t op = (data >> 8) & 0xF;
uint8_t arg = data & 0xFF;
switch (op)
//logerror("midvunit_wheel_board_w: %08X\n", data);
// U8 PAL22V10 "DECODE0" TODO: Needs dump "A-19674"
if (BIT(data, 11) && !BIT(m_wheel_board_last, 11))
{
default:
logerror("Unknown output (%02X) = %02X\n", op, arg);
break;
case 0xF: break; // sync/security wrapper commands. arg matches the wrapped command.
case 0x7:
m_output_mode = arg;
break;
case 0xB:
switch (m_output_mode)
logerror("Wheel board (U8 PAL22V10; DECODE0) = %03X\n", BIT(data, 11) | ((data & 0xF) << 1) | ((data & 0x700) << 1));
m_wheel_board_u8_latch = 0;
m_wheel_board_u8_latch |= BIT(data, 0) << 6; // WA0; A for U9
m_wheel_board_u8_latch |= BIT(data, 1) << 5; // WA1; B for U9
m_wheel_board_u8_latch |= BIT(data, 2) << 4; // WA2; C for U9
m_wheel_board_u8_latch |= BIT(data, 3) << 3; // WA3; G2B for U9
}
if (!BIT(data, 9))
{
logerror("Wheel board (U13 74HC245; DCS) = %02X\n", data & 0xFF);
}
else if (!BIT(data, 10)) // G2A for U9
{
uint8_t arg = data & 0xFF;
uint8_t wa = BIT(m_wheel_board_u8_latch, 6) | (BIT(m_wheel_board_u8_latch, 5) << 1) | (BIT(m_wheel_board_u8_latch, 4) << 2);
if (BIT(m_wheel_board_u8_latch, 3))
{
// U19 PAL22V10 "GALIL" TODO: Needs dump "A-19675", needs Galil emulation
logerror("Wheel board (U19 PAL22V10; GALIL) = %03X\n", (m_wheel_board_u8_latch & 0x78) | ((data & 0x3F) << 6));
switch (wa)
{
default:
logerror("Unknown output with mode (%02X) = %02X\n", m_output_mode, arg);
case 0:
m_wheel_board_output = m_galil_input[m_galil_input_index++] << 8;
break;
case 0x00: //device init? 3C 1C are the only 2 writes at boot.
set_input(":");
m_galil_output_index = 0;
memset(m_galil_output, 0, 450);
break;
case 0x04: //wheel motor delta. signed byte.
output().set_value("wheel", arg);
break;
case 0x05:
for (uint8_t bit = 0; bit < 8; bit++)
output().set_lamp_value(bit, (arg >> bit) & 0x1);
break;
case 0x08: //get next character from input string.
m_output = m_galil_input[m_galil_input_index++] << 8;
break;
case 0x09: //Galil command input. ascii inputs terminated with carriage return.
case 1:
if (arg != 0xD)
{
m_galil_output[m_galil_output_index] = (char)arg;
@ -439,11 +431,6 @@ WRITE32_MEMBER(midvunit_state::midvunit_output_w)
else
{
// G, W, S, and Q are commented out because they are error commands.
// When the motion tests succeeds it will send the program over to
// the motion controller and as this is not a real system it will
// assume it wants to execute them which turns off the motion system.
// If anyone wishes to implement a real Galil motion controller feel
// free to do so. This will only dump everything to stdout.
if (strstr(m_galil_output,"MG \"V\" IBO {$2.0}"))
set_input("V$00");
else if (strstr(m_galil_output,"MG \"X\", _TSX {$2.0}"))
@ -467,24 +454,55 @@ WRITE32_MEMBER(midvunit_state::midvunit_output_w)
m_galil_output_index = 0;
}
break;
case 0x0A: //set output to 0x8000 if there is data available, otherwise 0.
m_output = (m_galil_input_index < m_galil_input_length) ? 0x8000 : 0x0;
case 2:
m_wheel_board_output = (m_galil_input_index < m_galil_input_length) ? 0x8000 : 0x0;
break;
case 3: // Galil init?
break;
case 4: // Galil init?
set_input(":");
m_galil_output_index = 0;
memset(m_galil_output, 0, 450);
break;
case 0x0B: break; //0 written at boot.
case 0x0C: break; //0 written at boot.
case 0x0E: break; //0 written after test.
}
break;
case 0xD: //receives same data as midvunit_sound_w. unsure what its purpose is, but it is redundant.
logerror("Wheelboard Sound W = %02X\n", arg);
//m_dcs->data_w(arg);
break;
}
else
{
// U9 74LS138
switch (wa)
{
case 0: // SNDCTLZ
logerror("Wheel board (U14 74HC574; DCS Control) = %02X\n", arg);
break;
case 1: // GALCTLZ
logerror("Wheel board (U19 PAL22V10; Galil Control) = %02X\n", arg);
break;
case 2: // ATODWRZ
logerror("Wheel board (ATODWRZ) = %02X\n", arg);
break;
case 3: // ATODRDZ
logerror("Wheel board (ATODRDZ) = %02X\n", arg);
break;
case 4: // WHLCTLZ
output().set_value("wheel", arg);
//logerror("Wheel board (U4 74HC574; Motor) = %02X\n", arg);
break;
case 5: // DRVCTLZ
for (uint8_t bit = 0; bit < 8; bit++)
output().set_lamp_value(bit, BIT(data, bit));
//logerror("Wheel board (U10 74HC574; Lamps) = %02X\n", arg);
break;
case 6: // PRTCTLZ
logerror("Wheel board (PRTCTLZ) = %02X\n", arg);
break;
case 7: // PRTSTATZ
logerror("Wheel board (PRTSTATZ) = %02X\n", arg);
break;
}
}
}
m_wheel_board_last = data;
}
@ -592,7 +610,7 @@ static ADDRESS_MAP_START( midvunit_map, AS_PROGRAM, 32, midvunit_state )
AM_RANGE(0x992000, 0x992000) AM_READ_PORT("992000")
AM_RANGE(0x993000, 0x993000) AM_READWRITE(midvunit_adc_r, midvunit_adc_w)
AM_RANGE(0x994000, 0x994000) AM_WRITE(midvunit_control_w)
AM_RANGE(0x995000, 0x995000) AM_READWRITE(midvunit_output_r, midvunit_output_w)
AM_RANGE(0x995000, 0x995000) AM_READWRITE(midvunit_wheel_board_r, midvunit_wheel_board_w)
AM_RANGE(0x995020, 0x995020) AM_WRITE(midvunit_cmos_protect_w)
AM_RANGE(0x997000, 0x997000) AM_NOP // communications
AM_RANGE(0x9a0000, 0x9a0000) AM_WRITE(midvunit_sound_w)

9
src/mame/includes/midvunit.h
View File

@ -103,8 +103,9 @@ public:
const char *m_galil_input;
uint8_t m_galil_output_index;
char m_galil_output[450];
uint32_t m_output;
uint8_t m_output_mode;
uint32_t m_wheel_board_output;
uint32_t m_wheel_board_last;
uint32_t m_wheel_board_u8_latch;
DECLARE_WRITE32_MEMBER(midvunit_dma_queue_w);
DECLARE_READ32_MEMBER(midvunit_dma_queue_entries_r);
DECLARE_READ32_MEMBER(midvunit_dma_trigger_r);
@ -140,8 +141,8 @@ public:
DECLARE_WRITE32_MEMBER(midvplus_misc_w);
DECLARE_WRITE8_MEMBER(midvplus_xf1_w);
DECLARE_READ32_MEMBER(generic_speedup_r);
DECLARE_READ32_MEMBER(midvunit_output_r);
DECLARE_WRITE32_MEMBER(midvunit_output_w);
DECLARE_READ32_MEMBER(midvunit_wheel_board_r);
DECLARE_WRITE32_MEMBER(midvunit_wheel_board_w);
DECLARE_DRIVER_INIT(crusnu40);
DECLARE_DRIVER_INIT(crusnu21);
DECLARE_DRIVER_INIT(crusnwld);