diff options
author | AJR <ajrhacker@users.noreply.github.com> | 2019-08-10 18:53:01 -0400 |
---|---|---|
committer | AJR <ajrhacker@users.noreply.github.com> | 2019-08-10 18:53:01 -0400 |
commit | 140677882adf7b39909807501463f57aeb464845 (patch) | |
tree | fd71e8d61c772cb2a2ef52c5674a30d3a60e5db6 | |
parent | c8fb55f847a17223739d8f7727a7f13e0f99f804 (diff) |
microdar.cpp: More comment updates (nw)
-rw-r--r-- | src/mame/drivers/microdar.cpp | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/src/mame/drivers/microdar.cpp b/src/mame/drivers/microdar.cpp index 0f89bd6bd19..0bc11713143 100644 --- a/src/mame/drivers/microdar.cpp +++ b/src/mame/drivers/microdar.cpp @@ -22,7 +22,7 @@ _______________________________ | | | |_| ______ BATT __ | | | | __ |IC12_| | | CN | | | IC8 ______________ | || -| |_| __ |ICXX REF34VA | | || +| |_| __ |IC1 REF34VA | | || | __ IC7 |______9818h-_|XT1|| | |CN ______ __________ | || | | | |IC5__||IC4_______| | || @@ -41,12 +41,12 @@ _______________________________ IC19, IC20, IC18, IC21 = Toshiba TD62703AP IC25, IC24 = ST ULN2803A -IC17 = REF0032 9817K0552 +IC17 = REF0032 9817K0552 (40-pin DIP: display controller?) IC23, IC22, IC12 = Hitachi HD74HC273P IC15 = Natsemi CD4514BCN IC8 = Microchip 24LC16B IC7 = TI TL7705ACP -IC1 = Philips REF34VA 9818h- +IC1 = Philips REF34VA 9818h- (40-pin DIP: 80C51?) XT1 = 20.000 MHz IC5 = Hitachi HD74HC08P IC6 = Hitachi HD74HC138P @@ -106,11 +106,10 @@ void microdar_state::microdar(machine_config &config) I2CMEM(config, m_eeprom).set_page_size(16).set_data_size(0x800); - // IC7 might be some sort of I2C RTC? + // Code also references some sort of serial RTC? } -// Display controller (IC17) is 40-pin DIP labeled "REF0032 9317K0552" ROM_START(microdar) ROM_REGION(0x1000, "maincpu", ROMREGION_ERASE00) ROM_LOAD("ref34va_k7v5534_9818h-.ic1", 0x0000, 0x1000, NO_DUMP) |