Catalogue of Arcade Emulation Software - the Absolute Reference

Valid XHTML 1.0! Valid CSS!



Large CAESAR Logo


0.36b2 [Manuel Abadia]


- 0.71: Brian A. Troha corrected some filenames for Ajax.

- 0.55: Added clone Typhoon.

- 6th September 2001: David Haywood added Typhoon to the Ajax driver.

- 0.37b4: Nicola Salmoria fixed final fireworks in Ajax.

- 0.37b1: Phil Stroffolino and Nicola Salmoria support a priority buffer, updated by tilemap.c, which can be used to draw sprites using the new function pdrawgfx(). This allowed to fix many tile/sprite priority bugs e.g. in Ajax, Lightning Thunder, Simpsons, Vendetta, Punk Shot, Gradius III and others.

- 14th March 2000: Eisuke Watanabe fixed Ajax and Gradius 3 priority problems.

- 0.36b10: Changed M6809 CPU2 clock speed to 3MHz.

- 0.36b9: Added clone Ajax (Japan). Changed Z80 CPU1 clock speed to 1.5MHz.

- 11th November 1999: Manuel Abadia fixed several Ajax problems.

- 0.36b6: Added 2nd Konami 007232 sound chip.

- 0.36b4: Added 'Upright Controls' dipswitch.

- 0.36b3: Rebuild Ajax romset, replaced M6309 with M6809 (3MHz) and added prom ($0 - priority encoder (not used)). Changed KONAMI CPU1 clock speed to 3MHz and Z80 CPU3 to 3579545 Hz. Nicola Salmoria added support for external volume control to the K007232 and fixed Aliens, Ajax etc.

- 17th August 1999: Nicola added the zooming/rotation layer to Ajax, making the graphics almost 100%.

- 8th August 1999: Jim Hernandez fixed Ajax and Crime Fighters sound speed.

- 0.36b2: Manuel Abadia added Ajax (Konami 1987) (preliminary). TODO: Add sprites with rotating and scaling effects (gfx[0]). Fix sprite/layer priorities. Find start lamp check, power up lamp check and joystick lamp check addresses.

ARCADE RELEASE: A-JAX (Konami) - 1987/Dec/16


Category: Helicopter

Recommended Games:

Super Cobra

Strategy X


Sky Army




Tiger Heli

Vs. Raid on Bungeling Bay


Twin Cobra

Twin Cobra 2

Battle Chopper

Apache 3

Chopper I


Metal Hawk

Silk Worm

Thunder Blade

Super Thunder Blade (Mega-Tech)


Twin Eagle

Twin Eagle II - The Rescue Mission

Ashura Blaster

Steel Talons

Thunder Strike

Air Rescue

S.S. Mission

Desert War / Wangan Sensou

Romset: 3073 kb / 14 files / 1.27 zip