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Diffstat (limited to 'src/mame/drivers/fidel_desdis.cpp')
-rw-r--r--src/mame/drivers/fidel_desdis.cpp33
1 files changed, 15 insertions, 18 deletions
diff --git a/src/mame/drivers/fidel_desdis.cpp b/src/mame/drivers/fidel_desdis.cpp
index fde3d26474b..ff2b7893c41 100644
--- a/src/mame/drivers/fidel_desdis.cpp
+++ b/src/mame/drivers/fidel_desdis.cpp
@@ -10,33 +10,30 @@ Fidelity Designer Display series, 6502 and 68000
*******************************************************************************
-Designer 2100 Display (model 6106)
-----------------
-8KB RAM(MS6264L-10), 2*32KB ROM(27C256)
-WDC W65C02P-6 CPU, 6MHz XTAL
-4-digit LCD panel
-PCB label 510.1130A01
+Designer 2100 Display (model 6106) overview:
+- 8KB RAM(MS6264L-10), 2*32KB ROM(27C256)
+- WDC W65C02P-6 CPU, 6MHz XTAL
+- 4-digit LCD panel
+- PCB label 510.1130A01
Designer 2000 Display (model 6105): same hardware, no bookrom, 3MHz
*******************************************************************************
-Designer Mach III Master 2265 (model 6113)
-------------------------------------------
-80KB RAM(2*KM6264AL-10, 2*KM62256AP-10), 64KB ROM(2*WSI 27C256L-12)
-MC68HC000P12F CPU, 16MHz XTAL
-IRQ(IPL2) from 555 timer, 1.67ms low, 6us high
-PCB label 510.1134A02
+Designer Mach III Master 2265 (model 6113) overview:
+- 80KB RAM(2*KM6264AL-10, 2*KM62256AP-10), 64KB ROM(2*WSI 27C256L-12)
+- MC68HC000P12F CPU, 16MHz XTAL
+- IRQ(IPL2) from 555 timer, 1.67ms low, 6us high
+- PCB label 510.1134A02
ROM address/data lines are scrambled, presumed for easy placement on PCB and not
for obfuscation. I/O is nearly the same as Designer Display on 6502 hardware.
-Designer Mach IV Master 2325 (model 6129)
------------------------------------------
-32KB(4*P5164-70) + 512KB(TC518512PL-80) RAM, 64KB ROM(TMS 27C512-120JL)
-MC68EC020RP25 CPU, 20MHz XTAL
-PCB label 510.1149A01
-It has a green "Shift" led instead of red, and ROM is not scrambled.
+Designer Mach IV Master 2325 (model 6129) overview:
+- 32KB(4*P5164-70) + 512KB(TC518512PL-80) RAM, 64KB ROM(TMS 27C512-120JL)
+- MC68EC020RP25 CPU, 20MHz XTAL
+- PCB label 510.1149A01
+- It has a green "Shift" led instead of red, and ROM is not scrambled.
******************************************************************************/