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nmk16.cpp: updated test mode usage notes as pointed out by MT 07580 (nw)

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Angelo Salese 2020-03-02 00:17:42 +01:00 committed by GitHub
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commit 1b9ea9b016
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1 changed files with 5 additions and 3 deletions
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src/mame/drivers/nmk16.cpp
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@ -96,6 +96,7 @@ tharrier test mode:
1) Press player 2 buttons 1+2 during reset. "Are you ready?" will appear
2) Press player 1 buttons in this sequence:
2,1,2,2,1,1,↓,↓
Note: this doesn't currently work, the message never appears (most likely an error in the protection simulation).
tdragon and hachamf test mode:
@ -106,6 +107,8 @@ mustang and blkheart test mode:
1) Press player 2 buttons 1+2 during reset. "Ready?" will appear
2) Press player 1 button 1 14 (!) times
Note: blkheart has a buggy service mode, apparently they shifted the ASCII gfx bank at $3xx but
forgot to update the routines so it treats the VRAM as if ASCII bank is at $0xx (cfr. the move.w imm,Ax).
gunnail test mode:
@ -118,9 +121,8 @@ bjtwin test mode:
2) Press player 1 buttons in this sequence:
2,2,2, 1,1,1, 2,2,2, 1,1,1
The release date of this program will appear.
Some code has to be patched out for this to work (see below). The program
remaps button 2 and 3 to button 1, so you can't enter the above sequence.
Note: Some code has to be patched out for this to work (cfr. init_bjtwin fn).
The program remaps button 2 and 3 to button 1, so you can't enter the above sequence.
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