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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
commit140677882adf7b39909807501463f57aeb464845 (patch)
treefd71e8d61c772cb2a2ef52c5674a30d3a60e5db6
parentc8fb55f847a17223739d8f7727a7f13e0f99f804 (diff)
microdar.cpp: More comment updates (nw)
-rw-r--r--src/mame/drivers/microdar.cpp9
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)