# Initialization file for Tailgunner
>
>*** Tailgunner ***
>
>Keyboard Mapping:
>
>   Start Game  = F1
>   Coin        = F3
>   Reset Game  = F4
>   Exit        = <Esc>
>
>   Fire    = First (Left) Mouse Button
>   Shields = Second Mouse Button
>   Start   = Third Mouse Button (on three button mice)
>
>   Use mouse to position cursor.

[CPU]
 MemSize=8k
 JMI=No
 Mouse=Tailgunner
 MouseSpeedX=1024
 MouseSpeedY=1024
 RomImages=ROMS\TAILGUNR
 SoundBdPort = 378

 ; Switch definitions:
 ;
 ;   X------  Unused
 ;
 ;   -S---SS  1---11 = 15 Shield Points
 ;            1---01 = 20 Shield Points
 ;            1---10 = 30 Shield Points
 ;            1---00 = 40 Shield Points
 ;            0---11 = 50 Shield Points
 ;            0---01 = 60 Shield Points
 ;            0---10 = 70 Shield Points
 ;            0---00 = 80 Shield Points

NOTE: The table above is stored in Rom[091C] in BCD
The code which initialises the data is at 0026:

0008: D0               STA     $0
0009: C0               LDI     $0
000A: 57               USB
000B: E6               STA     [i]
000C: 21               ADD     #$1
000D: 5D               JNC
000E: D0               STA     $0
000F: 00               CLR
0010: 21               ADD     #$1
0011: 95               OUT     $5
0012: 44 09            LDJ     #$904
0014: 58               JMP



0904: 57               USB
0905: 11               INP     $1    <--- a shield bit
0906: 57               USB
0907: EC               LSL
0908: 88               LDP     #$8
0909: 57               USB
090A: D2               STA     $2
090B: 57               USB
090C: 14               INP     $4    <--- a shield bit
090D: 57               USB
090E: E7               ADD     [i]
090F: 57               USB
0910: EC               LSL
0911: 57               USB
0912: E6               STA     [i]
0913: 57               USB
0914: 15               INP     $5    <--- a shield bit
0915: 57               USB
0916: E7               ADD     [i]
0917: 57               USB
0918: E6               STA     [i]
0919: 46 20            LDJ     #$026
091B: 58               JMP

jumps back here:
0026: 09               LDA     #$900
0027: 20 1C            ADD     #$1C
0029: E7               ADD     [i]      <--- I must point to a byte containing 0..7
002A: E2               XLT
002B: 5F               NOP
002C: E6               STA     [i]

 ;
 ;   ----C--  0=1 credit per 1 quarter, 1=1 credit per 2 quarters

 Switches=0000000

; Inputs=BFFF	; uncomment to enable 8 way digital joystick mode

[Video]
 WinSize=0,0,1024,768	; MinX, MinY, MaxX, MaxY
 Monitor=BiLevel
 Twinkle=7
 Rotate=No
 FlipX=No
 FlipY=No
 Brightness=53,86,100	; RGB percentages for brightest level
 Contrast=40,65,75	; RGB percentages for dimmest level

# Play with these at your own risk!

[Inputs]
 RstCPU  = 02000000,FFFFFFFF,00000000,FFFFFFFF	; Set bit indicating RESET
 Exit    = 01000000,FFFFFFFF,00000000,FFFFFFFF	; Set bit indicating Exit 
 Coin    = 00000000,FFFFFFFF,00000000,FF7FFFFF

 Start   = 00000000,FFFFFF7F,00000080,FFFFFFFF
 Fire    = 00000000,FFFFFFDF,00000020,FFFFFFFF
 Shields = 00000000,FFFFFFBF,00000040,FFFFFFFF

 Right   = 00000000,FFFFFFFD,00000002,FFFFFFFF
 Left    = 00000000,FFFFFFFB,00000004,FFFFFFFF
 Up      = 00000000,FFFFFFF7,00000008,FFFFFFFF
 Down    = 00000000,FFFFFFEF,00000010,FFFFFFFF

 UpLeft  = 00000000,FFFFFFF3,0000000C,FFFFFFFF
 UpRight = 00000000,FFFFFFF5,0000000A,FFFFFFFF
 DnLeft  = 00000000,FFFFFFEB,00000014,FFFFFFFF
 DnRight = 00000000,FFFFFFED,00000012,FFFFFFFF

# Maps the above input definitions to a keyboard 'scancode'

[KeyMapping]
 Exit    = 01		; <ESC> Exit
 Coin    = 3D		; F3, Coin Switch
 RstCPU  = 3E		; F4, Reset Game

 Start   = 3B		; F1, Start key

 ; Map the keypad as a joystick with shields in the center

; UpLeft  = 47		; Home
; Up      = 48		; Up
; UpRight = 49		; PgUp
; Left    = 4B		; Left
; Shields = 4C		; Middle
; Right   = 4D		; Right
; DnLeft  = 4F		; End
; Down    = 50		; Down
; DnRight = 51		; PgDn

 ; Shields and Fire keys

; Fire    = 35		; '/'
; Shields = 34		; '.'

 Fire    = MB1		; First (Left) Mouse Button
 Shields = MB2		; Second Mouse Button
 Start   = MB3          ; Third Mouse Button (on three button mice)