diff options
Diffstat (limited to 'src/mame/drivers/fidel_desdis.cpp')
-rw-r--r-- | src/mame/drivers/fidel_desdis.cpp | 33 |
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. ******************************************************************************/ |