Mega Duck - Technical Specifications

Technical Specifications

• CPU : MOS version of the Z80 (embedded in the main VLSI )
• Clockspeed : 4.194304 MHz (= 222 Hz)
• RAM : 16 KB in two 8K chips (Goldstar GM76C88LFW)
• System logic : 80 pins VLSI chip (Just the die on the PCB covered with a blob of epoxy)
• LCD : 2.7" (48 (h) x 51 (w) mm) STN dot matrix. resolution 160×144 at 59.732155 Hz
• Grayscales : 4 levels of dark blue on a green background
• Player controls : 4 directional keys, A, B, Select and Start keys
• Other controls : On/off switch and contrast and volume regulators
• Sound : Built in speaker (8Ω 200 mW) and stereo headset output
• Dimensions : 155 (l) x 97 (w) x32 (h) mm
• Weight : 249 g (w/o batteries)
• Power : Four AA batteries or AC adapter 6VDC/300mA
• Current consumption : 700 mW
• Play duration : according to the manufacturer ca 15 hour on one set of four AA batteries
• Expansion Interface : Serial link for two player games (6 pins), or external joystick.
• Game medium : 36 pins ROM cartridge, 63 (l) x 54 (w) mm and 7 mm thick, 17 gram.

The Video Display Controller of the Mega duck/cougar boy has one special feature, the display logic uses two "display planes" that are used to create parallax scrolling backgrounds, as if the picture is drawn on two sheets of which the top sheet is partly transparent.