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Task Force Harrier

0.74u2 [R. Belmont]


* Fix input (protection?)


- Task Force Harrier use protection. It's the same chip as Macross, so it can probably be emulated.

- Maybe something is not mapped correctly or it's problem with protection (for example, player2 buttons works durning boot - it's possible to enter service mode).

DIP/Input Bugs:

- I looked into tharrier's code and figure out that tharrier try to read input signal data from $800020 address. The game stores input port address in ram (see code). When I fix it manually and with proper input port definition, the game seems work properly. (but some issue still exist. I can't destroy tank and ground enemy units in stage 2 & 4...). So, I don't think there's no input port protection but I don't know what cause this problem. (cpu core? or byte order?) one more thing: I don't know how to identify accessing to $80002 into dip switch/input_port0/input_port1... accessing from $4da may be dip switch(when I return 0xffff value, some feature(free-play-mode) enabled.), and $6ba2 may be input port 0(coin check), and others are may be input port 1. I wish more talented MAMEDevs will be figure out what cause the problem and fix properly. Here is input port def parts of code I used. tharrier097gra darkcoder


- 0.90: Brian Troha fixed Task Force Harrier dips. Added dipswitch 'Demo Sounds', 'Coin A/B', 'Cabinet', 'Difficulty', 'Bonus Life"', and 'Lives'.

- 0.80u2: Tomasz Slanina improved Task Force Harrier. Fixed sprite rendering, hacks for bg scrolling and patched some protection issues (sprites are rendered, no more strange resets).

- 12th December 2003: Tomasz Slanina - Fix protection of sprites (enemies/players), fixed in-game resets (protection), added hack for bg scroll and better video hw emulation (sprites). Todo: controls (protection....) - Game is not playable yet.

- 0.75: Added clone Task Force Harrier (Japan). Added proms 21, 22 and 24.bpr.

- 16th October 2002: R. Belmont added sound emulation to Thunder Dragon bootleg, Many Block and Task Force Harrier.

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Romset: 2946 kb / 15 files / 1.22 zip