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Combat PAL

Hardware Info

RAM Usage

This is the PAL version of the code.

F000: 78              SEI                         
F001: D8              CLD                         
F002: A2 FF           LDX     #$FF                
F004: 9A              TXS                         
F005: A2 5D           LDX     #$5D                
F007: 20 B3 F5        JSR     $F5B3               ; 
F00A: A9 10           LDA     #$10                
F00C: 8D 83 02        STA     SWBCNT              ; 
F00F: 85 88           STA     m88                 ; 
F011: 20 9A F1        JSR     $F19A               ; 
F014: E6 86           INC     frameCounter        ; 
F016: 85 2B           STA     HMCLR               ; 
F018: A9 02           LDA     #$02                
F01A: 85 02           STA     WSYNC               ; 
F01C: 85 01           STA     VBLANK              ; 
F01E: 85 02           STA     WSYNC               ; 
F020: 85 02           STA     WSYNC               ; 
F022: 85 02           STA     WSYNC               ; 
F024: 85 00           STA     VSYNC               ; 
F026: 85 02           STA     WSYNC               ; 
F028: 85 02           STA     WSYNC               ; 
F02A: A9 00           LDA     #$00                
F02C: 85 02           STA     WSYNC               ; 
F02E: 85 00           STA     VSYNC               ; 
F030: A9 2C           LDA     #$2C                
F032: 8D 96 02        STA     TIM64T              ; 
F035: 20 4E F1        JSR     $F14E               ; 
F038: 20 1B F3        JSR     $F31B               ; 
F03B: 20 85 F4        JSR     $F485               ; 
F03E: 20 55 F2        JSR     $F255               ; 
F041: 20 EA F2        JSR     $F2EA               ; 
F044: 20 33 F2        JSR     $F233               ; 
F047: A9 08           LDA     #$08                
F049: 85 B4           STA     scanlineNumber      ; 
F04B: 85 02           STA     WSYNC               ; 
F04D: 85 2A           STA     HMOVE               ; 
F04F: AD 84 02        LDA     INTIM               ; 
F052: D0 FB           BNE     $F04F               ; 
F054: 85 02           STA     WSYNC               ; 
F056: 85 2C           STA     CXCLR               ; 
F058: 85 01           STA     VBLANK              ; 
F05A: BA              TSX                         
F05B: 86 D3           STX     stackPointer        ; 
F05D: A9 02           LDA     #$02                
F05F: 85 0A           STA     CTRLPF              ; 
F061: A6 DC           LDX     mDC                 ; 
F063: 85 02           STA     WSYNC               ; 
F065: CA              DEX                         
F066: D0 FB           BNE     $F063               ; 
F068: A5 DC           LDA     mDC                 ; 
F06A: C9 0E           CMP     #$0E                
F06C: F0 52           BEQ     $F0C0               ; 
F06E: A2 05           LDX     #$05                
F070: A9 00           LDA     #$00                
F072: 85 DE           STA     nextLeft            ; 
F074: 85 DF           STA     nextRight           ; 
F076: 85 02           STA     WSYNC               ; 
F078: A5 DE           LDA     nextLeft            ; 
F07A: 85 0E           STA     PF1                 ; 
F07C: A4 E2           LDY     leftDigitMSD        ; 
F07E: B9 BB F5        LDA     $F5BB,Y             ; 
F081: 29 F0           AND     #$F0                
F083: 85 DE           STA     nextLeft            ; 
F085: A4 E0           LDY     leftDigitLSD        ; 
F087: B9 BB F5        LDA     $F5BB,Y             ; 
F08A: 29 0F           AND     #$0F                
F08C: 05 DE           ORA     nextLeft            ; 
F08E: 85 DE           STA     nextLeft            ; 
F090: A5 DF           LDA     nextRight           ; 
F092: 85 0E           STA     PF1                 ; 
F094: A4 E3           LDY     rightDigitMSD       ; 
F096: B9 BB F5        LDA     $F5BB,Y             ; 
F099: 29 F0           AND     #$F0                
F09B: 85 DF           STA     nextRight           ; 
F09D: A4 E1           LDY     rightDigitLSD       ; 
F09F: B9 BB F5        LDA     $F5BB,Y             ; 
F0A2: 25 87           AND     maskRightNumber     ; 
F0A4: 85 02           STA     WSYNC               ; 
F0A6: 05 DF           ORA     nextRight           ; 
F0A8: 85 DF           STA     nextRight           ; 
F0AA: A5 DE           LDA     nextLeft            ; 
F0AC: 85 0E           STA     PF1                 ; 
F0AE: CA              DEX                         
F0AF: 30 0F           BMI     $F0C0               ; 
F0B1: E6 E0           INC     leftDigitLSD        ; 
F0B3: E6 E2           INC     leftDigitMSD        ; 
F0B5: E6 E1           INC     rightDigitLSD       ; 
F0B7: E6 E3           INC     rightDigitMSD       ; 
F0B9: A5 DF           LDA     nextRight           ; 
F0BB: 85 0E           STA     PF1                 ; 
F0BD: 4C 76 F0        JMP     $F076               ; 
F0C0: A9 00           LDA     #$00                
F0C2: 85 0E           STA     PF1                 ; 
F0C4: 85 02           STA     WSYNC               ; 
F0C6: A9 05           LDA     #$05                
F0C8: 85 0A           STA     CTRLPF              ; 
F0CA: A5 D6           LDA     colorP0             ; 
F0CC: 85 06           STA     COLUP0              ; 
F0CE: A5 D7           LDA     colorP1             ; 
F0D0: 85 07           STA     COLUP1              ; 
F0D2: A2 1E           LDX     #$1E                
F0D4: 9A              TXS                         
F0D5: 38              SEC                         
F0D6: A5 A4           LDA     player0row          ; 
F0D8: E5 B4           SBC     scanlineNumber      ; 
F0DA: 29 FE           AND     #$FE                
F0DC: AA              TAX                         
F0DD: 29 F0           AND     #$F0                
F0DF: F0 04           BEQ     $F0E5               ; 
F0E1: A9 00           LDA     #$00                
F0E3: F0 02           BEQ     $F0E7               ; 
F0E5: B5 BD           LDA     playerXpicture,X    ; 
F0E7: 85 02           STA     WSYNC               ; 
F0E9: 85 1B           STA     GRP0                ; 
F0EB: A5 A7           LDA     missile1row         ; 
F0ED: 45 B4           EOR     scanlineNumber      ; 
F0EF: 29 FE           AND     #$FE                
F0F1: 08              PHP                         
F0F2: A5 A6           LDA     missile0row         ; 
F0F4: 45 B4           EOR     scanlineNumber      ; 
F0F6: 29 FE           AND     #$FE                
F0F8: 08              PHP                         
F0F9: A5 B4           LDA     scanlineNumber      ; 
F0FB: 10 02           BPL     $F0FF               ; 
F0FD: 49 F8           EOR     #$F8                
F0FF: C9 08           CMP     #$08                
F101: 90 04           BCC     $F107               ; 
F103: 4A              LSR     A                   
F104: 4A              LSR     A                   
F105: 4A              LSR     A                   
F106: A8              TAY                         
F107: A5 A5           LDA     player1row          ; 
F109: 38              SEC                         
F10A: E5 B4           SBC     scanlineNumber      ; 
F10C: E6 B4           INC     scanlineNumber      ; 
F10E: EA              NOP                         
F10F: 09 01           ORA     #$01                
F111: AA              TAX                         
F112: 29 F0           AND     #$F0                
F114: F0 04           BEQ     $F11A               ; 
F116: A9 00           LDA     #$00                
F118: F0 02           BEQ     $F11C               ; 
F11A: B5 BD           LDA     playerXpicture,X    ; 
F11C: 24 82           BIT     skipPlayfield       ; 
F11E: 85 1C           STA     GRP1                ; 
F120: 30 0C           BMI     $F12E               ; 
F122: B1 B5           LDA     (pf0Graphics),Y     ; 
F124: 85 0D           STA     PF0                 ; 
F126: B1 B7           LDA     (pf1Graphics),Y     ; 
F128: 85 0E           STA     PF1                 ; 
F12A: B1 B9           LDA     (pf2Graphics),Y     ; 
F12C: 85 0F           STA     PF2                 ; 
F12E: E6 B4           INC     scanlineNumber      ; 
F130: A5 B4           LDA     scanlineNumber      ; 
F132: 49 04           EOR     #$04                
F134: D0 9C           BNE     $F0D2               ; 
F136: A6 D3           LDX     stackPointer        ; 
F138: 9A              TXS                         
F139: 85 02           STA     WSYNC               ; 
F13B: 85 1D           STA     ENAM0               ; 
F13D: 85 1E           STA     ENAM1               ; 
F13F: 85 1B           STA     GRP0                ; 
F141: 85 1C           STA     GRP1                ; 
F143: 85 1B           STA     GRP0                ; 
F145: 85 0D           STA     PF0                 ; 
F147: 85 0E           STA     PF1                 ; 
F149: 85 0F           STA     PF2                 ; 
F14B: 4C 14 F0        JMP     $F014               ; 
F14E: AD 82 02        LDA     SWCHB               ; 
F151: 4A              LSR     A                   
F152: B0 13           BCS     $F167               ; 
F154: A9 0F           LDA     #$0F                
F156: 85 87           STA     maskRightNumber     ; 
F158: A9 FF           LDA     #$FF                
F15A: 85 88           STA     m88                 ; 
F15C: A9 80           LDA     #$80                
F15E: 85 DD           STA     mDD                 ; 
F160: A2 E6           LDX     #$E6                
F162: 20 B3 F5        JSR     $F5B3               ; 
F165: F0 60           BEQ     $F1C7               ; 
F167: A0 02           LDY     #$02                
F169: A5 DD           LDA     mDD                 ; 
F16B: 25 88           AND     m88                 ; 
F16D: C9 F0           CMP     #$F0                
F16F: 90 08           BCC     $F179               ; 
F171: A5 86           LDA     frameCounter        ; 
F173: 29 30           AND     #$30                
F175: D0 02           BNE     $F179               ; 
F177: A0 0E           LDY     #$0E                
F179: 84 DC           STY     mDC                 ; 
F17B: A5 86           LDA     frameCounter        ; 
F17D: 29 3F           AND     #$3F                
F17F: D0 08           BNE     $F189               ; 
F181: 85 89           STA     m89                 ; 
F183: E6 DD           INC     mDD                 ; 
F185: D0 02           BNE     $F189               ; 
F187: 85 88           STA     m88                 ; 
F189: AD 82 02        LDA     SWCHB               ; 
F18C: 29 02           AND     #$02                
F18E: F0 04           BEQ     $F194               ; 
F190: 85 89           STA     m89                 ; 
F192: D0 54           BNE     $F1E8               ; 
F194: 24 89           BIT     m89                 ; 
F196: 30 50           BMI     $F1E8               ; 
F198: E6 80           INC     m80                 ; 
F19A: A2 DF           LDX     #$DF                
F19C: 20 B3 F5        JSR     $F5B3               ; 
F19F: A9 FF           LDA     #$FF                
F1A1: 85 89           STA     m89                 ; 
F1A3: A4 80           LDY     m80                 ; 
F1A5: B9 E0 F7        LDA     $F7E0,Y             ; 
F1A8: 85 A3           STA     mA3                 ; 
F1AA: 49 FF           EOR     #$FF                
F1AC: D0 04           BNE     $F1B2               ; 
F1AE: A2 DD           LDX     #$DD                
F1B0: D0 EA           BNE     $F19C               ; 
F1B2: A5 81           LDA     m81                 ; 
F1B4: F8              SED                         
F1B5: 18              CLC                         
F1B6: 69 01           ADC     #$01                
F1B8: 85 81           STA     m81                 ; 
F1BA: 85 A1           STA     scoreP1             ; 
F1BC: D8              CLD                         
F1BD: 24 A3           BIT     mA3                 ; 
F1BF: 10 06           BPL     $F1C7               ; 
F1C1: E6 85           INC     m85                 ; 
F1C3: 50 02           BVC     $F1C7               ; 
F1C5: E6 85           INC     m85                 ; 
F1C7: 20 66 F5        JSR     $F566               ; 
F1CA: A9 32           LDA     #$32                
F1CC: 85 A5           STA     player1row          ; 
F1CE: A9 86           LDA     #$86                
F1D0: 85 A4           STA     player0row          ; 
F1D2: 24 A3           BIT     mA3                 ; 
F1D4: 30 12           BMI     $F1E8               ; 
F1D6: 85 A5           STA     player1row          ; 
F1D8: 85 11           STA     RESP1               ; 
F1DA: A9 08           LDA     #$08                
F1DC: 85 96           STA     m96                 ; 
F1DE: A9 20           LDA     #$20                
F1E0: 85 20           STA     HMP0                ; 
F1E2: 85 21           STA     HMP1                ; 
F1E4: 85 02           STA     WSYNC               ; 
F1E6: 85 2A           STA     HMOVE               ; 
F1E8: A5 A3           LDA     mA3                 ; 
F1EA: 29 87           AND     #$87                
F1EC: 30 02           BMI     $F1F0               ; 
F1EE: A9 00           LDA     #$00                
F1F0: 0A              ASL     A                   
F1F1: AA              TAX                         
F1F2: BD 53 F7        LDA     plyrNumSize,X       ; 
F1F5: 85 04           STA     NUSIZ0              ; 
F1F7: BD 54 F7        LDA     $F754,X             ; 
F1FA: 85 05           STA     NUSIZ1              ; 
F1FC: A5 A3           LDA     mA3                 ; 
F1FE: 29 C0           AND     #$C0                
F200: 4A              LSR     A                   
F201: 4A              LSR     A                   
F202: 4A              LSR     A                   
F203: 4A              LSR     A                   
F204: A8              TAY                         
F205: A5 88           LDA     m88                 ; 
F207: 8D 82 02        STA     SWCHB               ; 
F20A: 49 FF           EOR     #$FF                
F20C: 25 DD           AND     mDD                 ; 
F20E: 85 D1           STA     mD1                 ; 
F210: A2 FF           LDX     #$FF                
F212: AD 82 02        LDA     SWCHB               ; 
F215: 29 08           AND     #$08                
F217: D0 04           BNE     $F21D               ; 
F219: A0 10           LDY     #$10                
F21B: A2 0F           LDX     #$0F                
F21D: 86 D2           STX     scratch1            ; 
F21F: A2 03           LDX     #$03                
F221: B9 5B F7        LDA     $F75B,Y             ; 
F224: 45 D1           EOR     mD1                 ; 
F226: 25 D2           AND     scratch1            ; 
F228: 95 06           STA     COLUP0,X            ; 
F22A: 95 D6           STA     colorP0,X           ; 
F22C: 95 D8           STA     mD8,X               ; 
F22E: C8              INY                         
F22F: CA              DEX                         
F230: 10 EF           BPL     $F221               ; 
F232: 60              RTS                         
F233: A2 01           LDX     #$01                
F235: B5 A1           LDA     scoreP1,X           ; 
F237: 29 0F           AND     #$0F                
F239: 85 D2           STA     scratch1            ; 
F23B: 0A              ASL     A                   
F23C: 0A              ASL     A                   
F23D: 18              CLC                         
F23E: 65 D2           ADC     scratch1            ; 
F240: 95 E0           STA     leftDigitLSD,X      ; 
F242: B5 A1           LDA     scoreP1,X           ; 
F244: 29 F0           AND     #$F0                
F246: 4A              LSR     A                   
F247: 4A              LSR     A                   
F248: 85 D2           STA     scratch1            ; 
F24A: 4A              LSR     A                   
F24B: 4A              LSR     A                   
F24C: 18              CLC                         
F24D: 65 D2           ADC     scratch1            ; 
F24F: 95 E2           STA     leftDigitMSD,X      ; 
F251: CA              DEX                         
F252: 10 E1           BPL     $F235               ; 
F254: 60              RTS                         
F255: 24 83           BIT     m83                 ; 
F257: 50 04           BVC     $F25D               ; 
F259: A9 30           LDA     #$30                
F25B: 10 02           BPL     $F25F               ; 
F25D: A9 20           LDA     #$20                
F25F: 85 B1           STA     mB1                 ; 
F261: A2 03           LDX     #$03                
F263: 20 95 F2        JSR     $F295               ; 
F266: CA              DEX                         
F267: 20 95 F2        JSR     $F295               ; 
F26A: CA              DEX                         
F26B: B5 8D           LDA     m8D,X               ; 
F26D: 29 08           AND     #$08                
F26F: 4A              LSR     A                   
F270: 4A              LSR     A                   
F271: 86 D1           STX     mD1                 ; 
F273: 18              CLC                         
F274: 65 D1           ADC     mD1                 ; 
F276: A8              TAY                         
F277: B9 A8 00        LDA     mA8,Y               ; 
F27A: 38              SEC                         
F27B: 30 01           BMI     $F27E               ; 
F27D: 18              CLC                         
F27E: 2A              ROL     A                   
F27F: 99 A8 00        STA     mA8,Y               ; 
F282: 90 0D           BCC     $F291               ; 
F284: B5 AC           LDA     mAC,X               ; 
F286: 29 01           AND     #$01                
F288: 0A              ASL     A                   
F289: 0A              ASL     A                   
F28A: 0A              ASL     A                   
F28B: 0A              ASL     A                   
F28C: 85 B1           STA     mB1                 ; 
F28E: 20 95 F2        JSR     $F295               ; 
F291: CA              DEX                         
F292: F0 D7           BEQ     $F26B               ; 
F294: 60              RTS                         
F295: F6 AC           INC     mAC,X               ; 
F297: B5 95           LDA     m95,X               ; 
F299: 29 0F           AND     #$0F                
F29B: 18              CLC                         
F29C: 65 B1           ADC     mB1                 ; 
F29E: A8              TAY                         
F29F: B9 ED F5        LDA     $F5ED,Y             ; 
F2A2: 85 B0           STA     mB0                 ; 
F2A4: 24 82           BIT     skipPlayfield       ; 
F2A6: 70 13           BVS     $F2BB               ; 
F2A8: B5 95           LDA     m95,X               ; 
F2AA: 38              SEC                         
F2AB: E9 02           SBC     #$02                
F2AD: 29 03           AND     #$03                
F2AF: D0 0A           BNE     $F2BB               ; 
F2B1: B5 AC           LDA     mAC,X               ; 
F2B3: 29 03           AND     #$03                
F2B5: D0 04           BNE     $F2BB               ; 
F2B7: A9 08           LDA     #$08                
F2B9: 85 B0           STA     mB0                 ; 
F2BB: A5 B0           LDA     mB0                 ; 
F2BD: 95 20           STA     HMP0,X              ; 
F2BF: 29 0F           AND     #$0F                
F2C1: 38              SEC                         
F2C2: E9 08           SBC     #$08                
F2C4: 85 D4           STA     mD4                 ; 
F2C6: 18              CLC                         
F2C7: 75 A4           ADC     player0row,X        ; 
F2C9: 24 A3           BIT     mA3                 ; 
F2CB: 30 04           BMI     $F2D1               ; 
F2CD: E0 02           CPX     #$02                
F2CF: B0 10           BCS     $F2E1               ; 
F2D1: C9 F3           CMP     #$F3                
F2D3: B0 04           BCS     $F2D9               ; 
F2D5: C9 12           CMP     #$12                
F2D7: B0 08           BCS     $F2E1               ; 
F2D9: A9 F1           LDA     #$F1                
F2DB: 24 D4           BIT     mD4                 ; 
F2DD: 30 02           BMI     $F2E1               ; 
F2DF: A9 13           LDA     #$13                
F2E1: 95 A4           STA     player0row,X        ; 
F2E3: E0 02           CPX     #$02                
F2E5: B0 02           BCS     $F2E9               ; 
F2E7: 95 25           STA     VDELP0,X            ; 
F2E9: 60              RTS                         
F2EA: A9 01           LDA     #$01                
F2EC: 25 86           AND     frameCounter        ; 
F2EE: AA              TAX                         
F2EF: B5 95           LDA     m95,X               ; 
F2F1: 95 0B           STA     REFP0,X             ; 
F2F3: 29 0F           AND     #$0F                
F2F5: A8              TAY                         
F2F6: 24 83           BIT     m83                 ; 
F2F8: 10 02           BPL     $F2FC               ; 
F2FA: 94 97           STY     m97,X               ; 
F2FC: 8A              TXA                         
F2FD: 49 0E           EOR     #$0E                
F2FF: AA              TAX                         
F300: 98              TYA                         
F301: 0A              ASL     A                   
F302: 0A              ASL     A                   
F303: 0A              ASL     A                   
F304: C9 3F           CMP     #$3F                
F306: 18              CLC                         
F307: 30 03           BMI     $F30C               ; 
F309: 38              SEC                         
F30A: 49 47           EOR     #$47                
F30C: A8              TAY                         
F30D: B1 BB           LDA     (mBB),Y             ; 
F30F: 95 BD           STA     playerXpicture,X    ; 
F311: 90 02           BCC     $F315               ; 
F313: 88              DEY                         
F314: 88              DEY                         
F315: C8              INY                         
F316: CA              DEX                         
F317: CA              DEX                         
F318: 10 F3           BPL     $F30D               ; 
F31A: 60              RTS                         
F31B: A5 8A           LDA     m8A                 ; 
F31D: 38              SEC                         
F31E: E9 02           SBC     #$02                
F320: 90 2B           BCC     $F34D               ; 
F322: 85 8A           STA     m8A                 ; 
F324: C9 02           CMP     #$02                
F326: 90 24           BCC     $F34C               ; 
F328: 29 01           AND     #$01                
F32A: AA              TAX                         
F32B: F6 95           INC     m95,X               ; 
F32D: B5 D8           LDA     mD8,X               ; 
F32F: 95 D6           STA     colorP0,X           ; 
F331: A5 8A           LDA     m8A                 ; 
F333: C9 F7           CMP     #$F7                
F335: 90 03           BCC     $F33A               ; 
F337: 20 49 F5        JSR     $F549               ; 
F33A: A5 8A           LDA     m8A                 ; 
F33C: 10 0E           BPL     $F34C               ; 
F33E: 4A              LSR     A                   
F33F: 4A              LSR     A                   
F340: 4A              LSR     A                   
F341: 95 19           STA     AUDV0,X             ; 
F343: A9 08           LDA     #$08                
F345: 95 15           STA     AUDC0,X             ; 
F347: BD FE F7        LDA     $F7FE,X             ; 
F34A: 95 17           STA     AUDF0,X             ; 
F34C: 60              RTS                         
F34D: A2 01           LDX     #$01                
F34F: AD 82 02        LDA     SWCHB               ; 
F352: 85 D5           STA     mD5                 ; 
F354: AD 80 02        LDA     SWCHA               ; 
F357: 24 88           BIT     m88                 ; 
F359: 30 02           BMI     $F35D               ; 
F35B: A9 FF           LDA     #$FF                
F35D: 49 FF           EOR     #$FF                
F35F: 29 0F           AND     #$0F                
F361: 85 D2           STA     scratch1            ; 
F363: A4 85           LDY     m85                 ; 
F365: B9 05 F7        LDA     $F705,Y             ; 
F368: 18              CLC                         
F369: 65 D2           ADC     scratch1            ; 
F36B: A8              TAY                         
F36C: B9 08 F7        LDA     $F708,Y             ; 
F36F: 29 0F           AND     #$0F                
F371: 85 D1           STA     mD1                 ; 
F373: F0 04           BEQ     $F379               ; 
F375: D5 91           CMP     m91,X               ; 
F377: D0 04           BNE     $F37D               ; 
F379: D6 93           DEC     m93,X               ; 
F37B: D0 0D           BNE     $F38A               ; 
F37D: 95 91           STA     m91,X               ; 
F37F: A9 0F           LDA     #$0F                
F381: 95 93           STA     m93,X               ; 
F383: A5 D1           LDA     mD1                 ; 
F385: 18              CLC                         
F386: 75 95           ADC     m95,X               ; 
F388: 95 95           STA     m95,X               ; 
F38A: F6 8D           INC     m8D,X               ; 
F38C: 30 1E           BMI     $F3AC               ; 
F38E: B9 08 F7        LDA     $F708,Y             ; 
F391: 4A              LSR     A                   
F392: 4A              LSR     A                   
F393: 4A              LSR     A                   
F394: 4A              LSR     A                   
F395: 24 D5           BIT     mD5                 ; 
F397: 30 23           BMI     $F3BC               ; 
F399: 95 8B           STA     m8B,X               ; 
F39B: 0A              ASL     A                   
F39C: A8              TAY                         
F39D: B9 2D F6        LDA     $F62D,Y             ; 
F3A0: 95 A8           STA     mA8,X               ; 
F3A2: C8              INY                         
F3A3: B9 2D F6        LDA     $F62D,Y             ; 
F3A6: 95 AA           STA     mAA,X               ; 
F3A8: A9 F0           LDA     #$F0                
F3AA: 95 8D           STA     m8D,X               ; 
F3AC: 20 C1 F3        JSR     $F3C1               ; 
F3AF: AD 80 02        LDA     SWCHA               ; 
F3B2: 4A              LSR     A                   
F3B3: 4A              LSR     A                   
F3B4: 4A              LSR     A                   
F3B5: 4A              LSR     A                   
F3B6: 06 D5           ASL     mD5                 ; 
F3B8: CA              DEX                         
F3B9: F0 9C           BEQ     $F357               ; 
F3BB: 60              RTS                         
F3BC: 38              SEC                         
F3BD: E5 85           SBC     m85                 ; 
F3BF: 10 D8           BPL     $F399               ; 
F3C1: A5 A3           LDA     mA3                 ; 
F3C3: 30 08           BMI     $F3CD               ; 
F3C5: 29 01           AND     #$01                
F3C7: F0 04           BEQ     $F3CD               ; 
F3C9: A5 DB           LDA     mDB                 ; 
F3CB: 95 D6           STA     colorP0,X           ; 
F3CD: B5 99           LDA     m99,X               ; 
F3CF: F0 27           BEQ     $F3F8               ; 
F3D1: B5 D8           LDA     mD8,X               ; 
F3D3: 95 D6           STA     colorP0,X           ; 
F3D5: B5 99           LDA     m99,X               ; 
F3D7: C9 07           CMP     #$07                
F3D9: 90 14           BCC     $F3EF               ; 
F3DB: 24 D5           BIT     mD5                 ; 
F3DD: 10 04           BPL     $F3E3               ; 
F3DF: C9 1C           CMP     #$1C                
F3E1: 90 0C           BCC     $F3EF               ; 
F3E3: C9 30           CMP     #$30                
F3E5: 90 1F           BCC     $F406               ; 
F3E7: C9 37           CMP     #$37                
F3E9: B0 21           BCS     $F40C               ; 
F3EB: 24 83           BIT     m83                 ; 
F3ED: 50 1D           BVC     $F40C               ; 
F3EF: A9 00           LDA     #$00                
F3F1: 95 99           STA     m99,X               ; 
F3F3: A9 FF           LDA     #$FF                
F3F5: 95 28           STA     RESMP0,X            ; 
F3F7: 60              RTS                         
F3F8: 24 88           BIT     m88                 ; 
F3FA: 10 04           BPL     $F400               ; 
F3FC: B5 3C           LDA     INPT4,X             ; 
F3FE: 10 37           BPL     $F437               ; 
F400: 20 51 F4        JSR     $F451               ; 
F403: 4C EF F3        JMP     $F3EF               ; 
F406: 20 51 F4        JSR     $F451               ; 
F409: 4C 1F F4        JMP     $F41F               ; 
F40C: B5 9F           LDA     m9F,X               ; 
F40E: F0 0A           BEQ     $F41A               ; 
F410: 20 51 F4        JSR     $F451               ; 
F413: A9 30           LDA     #$30                
F415: 95 99           STA     m99,X               ; 
F417: 4C 1F F4        JMP     $F41F               ; 
F41A: B5 99           LDA     m99,X               ; 
F41C: 20 41 F3        JSR     $F341               ; 
F41F: A5 86           LDA     frameCounter        ; 
F421: 29 03           AND     #$03                
F423: F0 0C           BEQ     $F431               ; 
F425: 24 84           BIT     m84                 ; 
F427: 70 0A           BVS     $F433               ; 
F429: 24 82           BIT     skipPlayfield       ; 
F42B: 50 04           BVC     $F431               ; 
F42D: 29 01           AND     #$01                
F42F: D0 02           BNE     $F433               ; 
F431: D6 99           DEC     m99,X               ; 
F433: A9 00           LDA     #$00                
F435: F0 BE           BEQ     $F3F5               ; 
F437: A9 3F           LDA     #$3F                
F439: 95 99           STA     m99,X               ; 
F43B: 38              SEC                         
F43C: B5 A4           LDA     player0row,X        ; 
F43E: E9 06           SBC     #$06                
F440: 95 A6           STA     missile0row,X       ; 
F442: B5 95           LDA     m95,X               ; 
F444: 95 97           STA     m97,X               ; 
F446: A9 1F           LDA     #$1F                
F448: 95 9B           STA     m9B,X               ; 
F44A: A9 00           LDA     #$00                
F44C: 95 9D           STA     m9D,X               ; 
F44E: 4C 0C F4        JMP     $F40C               ; 
F451: B5 9F           LDA     m9F,X               ; 
F453: F0 0D           BEQ     $F462               ; 
F455: A9 04           LDA     #$04                
F457: 95 15           STA     AUDC0,X             ; 
F459: A9 07           LDA     #$07                
F45B: 95 19           STA     AUDV0,X             ; 
F45D: B5 9B           LDA     m9B,X               ; 
F45F: 95 17           STA     AUDF0,X             ; 
F461: 60              RTS                         
F462: A4 85           LDY     m85                 ; 
F464: B9 29 F7        LDA     $F729,Y             ; 
F467: 25 88           AND     m88                 ; 
F469: 95 19           STA     AUDV0,X             ; 
F46B: B9 2C F7        LDA     $F72C,Y             ; 
F46E: 95 15           STA     AUDC0,X             ; 
F470: 18              CLC                         
F471: A9 00           LDA     #$00                
F473: 88              DEY                         
F474: 30 04           BMI     $F47A               ; 
F476: 69 0C           ADC     #$0C                
F478: 10 F9           BPL     $F473               ; 
F47A: 75 8B           ADC     m8B,X               ; 
F47C: A8              TAY                         
F47D: 8A              TXA                         
F47E: 0A              ASL     A                   
F47F: 79 2F F7        ADC     $F72F,Y             ; 
F482: 95 17           STA     AUDF0,X             ; 
F484: 60              RTS                         
F485: A2 01           LDX     #$01                
F487: B5 30           LDA     CXM0P,X             ; 
F489: 10 2C           BPL     $F4B7               ; 
F48B: 24 84           BIT     m84                 ; 
F48D: 50 06           BVC     $F495               ; 
F48F: B5 9B           LDA     m9B,X               ; 
F491: C9 1F           CMP     #$1F                
F493: F0 22           BEQ     $F4B7               ; 
F495: F6 95           INC     m95,X               ; 
F497: F6 97           INC     m97,X               ; 
F499: F8              SED                         
F49A: B5 A1           LDA     scoreP1,X           ; 
F49C: 18              CLC                         
F49D: 69 01           ADC     #$01                
F49F: 95 A1           STA     scoreP1,X           ; 
F4A1: D8              CLD                         
F4A2: 8A              TXA                         
F4A3: 18              CLC                         
F4A4: 69 FD           ADC     #$FD                
F4A6: 85 8A           STA     m8A                 ; 
F4A8: A9 FF           LDA     #$FF                
F4AA: 85 28           STA     RESMP0              ; 
F4AC: 85 29           STA     RESMP1              ; 
F4AE: A9 00           LDA     #$00                
F4B0: 95 19           STA     AUDV0,X             ; 
F4B2: 85 99           STA     m99                 ; 
F4B4: 85 9A           STA     m9A                 ; 
F4B6: 60              RTS                         
F4B7: 24 A3           BIT     mA3                 ; 
F4B9: 10 03           BPL     $F4BE               ; 
F4BB: 4C 42 F5        JMP     $F542               ; 
F4BE: B5 9F           LDA     m9F,X               ; 
F4C0: F0 0A           BEQ     $F4CC               ; 
F4C2: C9 04           CMP     #$04                
F4C4: F6 9F           INC     m9F,X               ; 
F4C6: 90 04           BCC     $F4CC               ; 
F4C8: A9 00           LDA     #$00                
F4CA: 95 9F           STA     m9F,X               ; 
F4CC: B5 34           LDA     CXM0FB,X            ; 
F4CE: 30 07           BMI     $F4D7               ; 
F4D0: A9 00           LDA     #$00                
F4D2: 95 9D           STA     m9D,X               ; 
F4D4: 4C 17 F5        JMP     $F517               ; 
F4D7: 24 82           BIT     skipPlayfield       ; 
F4D9: 50 36           BVC     $F511               ; 
F4DB: B5 9D           LDA     m9D,X               ; 
F4DD: D0 19           BNE     $F4F8               ; 
F4DF: F6 9F           INC     m9F,X               ; 
F4E1: D6 9B           DEC     m9B,X               ; 
F4E3: B5 97           LDA     m97,X               ; 
F4E5: 95 B2           STA     mB2,X               ; 
F4E7: 49 FF           EOR     #$FF                
F4E9: 95 97           STA     m97,X               ; 
F4EB: F6 97           INC     m97,X               ; 
F4ED: B5 97           LDA     m97,X               ; 
F4EF: 29 03           AND     #$03                
F4F1: D0 02           BNE     $F4F5               ; 
F4F3: F6 97           INC     m97,X               ; 
F4F5: 4C 15 F5        JMP     $F515               ; 
F4F8: C9 01           CMP     #$01                
F4FA: F0 0B           BEQ     $F507               ; 
F4FC: C9 03           CMP     #$03                
F4FE: 90 15           BCC     $F515               ; 
F500: D0 13           BNE     $F515               ; 
F502: B5 B2           LDA     mB2,X               ; 
F504: 4C 09 F5        JMP     $F509               ; 
F507: B5 97           LDA     m97,X               ; 
F509: 18              CLC                         
F50A: 69 08           ADC     #$08                
F50C: 95 97           STA     m97,X               ; 
F50E: 4C 15 F5        JMP     $F515               ; 
F511: A9 01           LDA     #$01                
F513: 95 99           STA     m99,X               ; 
F515: F6 9D           INC     m9D,X               ; 
F517: B5 32           LDA     CXP0FB,X            ; 
F519: 30 04           BMI     $F51F               ; 
F51B: A5 37           LDA     CXPPMM              ; 
F51D: 10 09           BPL     $F528               ; 
F51F: A5 8A           LDA     m8A                 ; 
F521: C9 02           CMP     #$02                
F523: 90 09           BCC     $F52E               ; 
F525: 20 49 F5        JSR     $F549               ; 
F528: A9 03           LDA     #$03                
F52A: 95 E4           STA     mE4,X               ; 
F52C: D0 14           BNE     $F542               ; 
F52E: D6 E4           DEC     mE4,X               ; 
F530: 30 06           BMI     $F538               ; 
F532: B5 8B           LDA     m8B,X               ; 
F534: F0 0C           BEQ     $F542               ; 
F536: D0 02           BNE     $F53A               ; 
F538: F6 95           INC     m95,X               ; 
F53A: B5 95           LDA     m95,X               ; 
F53C: 18              CLC                         
F53D: 69 08           ADC     #$08                
F53F: 20 50 F5        JSR     $F550               ; 
F542: CA              DEX                         
F543: 30 03           BMI     $F548               ; 
F545: 4C 87 F4        JMP     $F487               ; 
F548: 60              RTS                         
F549: 8A              TXA                         
F54A: 49 01           EOR     #$01                
F54C: A8              TAY                         
F54D: B9 97 00        LDA     m97,Y               ; 
F550: 29 0F           AND     #$0F                
F552: A8              TAY                         
F553: B9 1D F6        LDA     $F61D,Y             ; 
F556: 20 BD F2        JSR     $F2BD               ; 
F559: A9 00           LDA     #$00                
F55B: 95 A8           STA     mA8,X               ; 
F55D: 95 AA           STA     mAA,X               ; 
F55F: 95 8D           STA     m8D,X               ; 
F561: B5 D8           LDA     mD8,X               ; 
F563: 95 D6           STA     colorP0,X           ; 
F565: 60              RTS                         
F566: A6 85           LDX     m85                 ; 
F568: BD CE F7        LDA     $F7CE,X             ; 
F56B: 85 BB           STA     mBB                 ; 
F56D: BD D1 F7        LDA     $F7D1,X             ; 
F570: 85 BC           STA     mBC                 ; 
F572: A5 A3           LDA     mA3                 ; 
F574: 4A              LSR     A                   
F575: 4A              LSR     A                   
F576: 29 03           AND     #$03                
F578: AA              TAX                         
F579: A5 A3           LDA     mA3                 ; 
F57B: 10 0A           BPL     $F587               ; 
F57D: 29 08           AND     #$08                
F57F: F0 04           BEQ     $F585               ; 
F581: A2 03           LDX     #$03                
F583: 10 04           BPL     $F589               ; 
F585: A9 80           LDA     #$80                
F587: 85 82           STA     skipPlayfield       ; 
F589: A5 A3           LDA     mA3                 ; 
F58B: 0A              ASL     A                   
F58C: 0A              ASL     A                   
F58D: 24 A3           BIT     mA3                 ; 
F58F: 30 06           BMI     $F597               ; 
F591: 85 02           STA     WSYNC               ; 
F593: 85 84           STA     m84                 ; 
F595: 29 80           AND     #$80                
F597: 85 83           STA     m83                 ; 
F599: A9 F7           LDA     #$F7                
F59B: 85 B6           STA     pf0Graphics+1       ; 
F59D: 85 B8           STA     pf1Graphics+1       ; 
F59F: 85 BA           STA     pf2Graphics+1       ; 
F5A1: BD D4 F7        LDA     $F7D4,X             ; 
F5A4: 85 10           STA     RESP0               ; 
F5A6: 85 B5           STA     pf0Graphics         ; 
F5A8: BD D8 F7        LDA     $F7D8,X             ; 
F5AB: 85 B7           STA     pf1Graphics         ; 
F5AD: BD DC F7        LDA     $F7DC,X             ; 
F5B0: 85 B9           STA     pf2Graphics         ; 
F5B2: 60              RTS                         
F5B3: A9 00           LDA     #$00                
F5B5: E8              INX                         
F5B6: 95 A2           STA     scoreP1,X           ; 
F5B8: D0 FB           BNE     $F5B5               ; 
F5BA: 60              RTS                         
; -----------------------------------------------------------------------------------------------------------------------------

Data Area

All data from here down

Numbers

F5BB: 0E 0A 0A 0A 0E  ;  0
 ; .... ***.
 ; .... *.*.
 ; .... *.*.
 ; .... *.*.
 ; .... ****
 
F5C0: 22 22 22 22 22  ; 11
; ..*. ..*.
; ..*. ..*.
; ..*. ..*.
; ..*. ..*.
; ..*. ..*.

F5C5: EE 22 EE 88 EE  ; 22
; ***. ***.
; ..*. ..*.
; ***. ***.
; *... *...
; ***. ***.

F5CA: EE 22 66 22 EE  ; 33
; ***. ***.
; ..*. ..*.
; .**. .**.
; ..*. ..*.
; ***. ***.

F5CF: AA AA EE 22 22  ; 44
; *.*. *.*.
; *.*. *.*.
; ***. ***.
; ..*. ..*.

F5D4: EE 88 EE 22 EE  ; 55
; ***. ***.
; *... *...
; ***. ***.
; ..*. ..*.
; ***. ***.

F5D9: EE 88 EE AA EE  ; 66
; ***. ***.
; *... *...
; ***. ***.
; *.*. *.*.
; ***. ***.

F5DE: EE 22 22 22 22  ; 77
; ***. ***.
; ..*. ..*.
; ..*. ..*.
; ..*. ..*.
; ..*. ..*.

F5E3: EE AA EE AA EE  ; 88
; ***. ***.
; *.*. *.*.
; ***. ***.
; *.*. *.*.
; ***. ***.

F5E8: EE AA EE 22 EE  ; 99
; ***. ***.
; *.*. *.*.
; ***. ***.
; ..*. ..*.
; ***. ***.
      
F5ED: F8                                  
F5EE: F7                           
F5EF: F6 06                 
F5F1: 06 06                  
F5F3: 16 17                  
F5F5: 18                                  
F5F6: 19 1A 0A            
F5F9: 0A                        
F5FA: 0A                        
F5FB: FA                                
F5FC: F9 F8 F7              
F5FF: F6 F6                   
F601: 06 16                      
F603: 16 17                 
  
F605: 18                                
F606: 19 1A 1A             
F609: 0A                           
F60A: FA                                  
F60B: FA                                 
F60C: F9 E8 E6              
F60F: E4 F4                    
F611: 04                                
F612: 14                                 
F613: 24 26                     
F615: 28                                  
F616: 2A                           
F617: 2C 1C 0C                 
F61A: FC                                 
F61B: EC EA C8                  
F61E: C4 C0                      
F620: E0 00                    
F622: 20 40 44                 
F625: 48                                  
F626: 4C 4F 2F                
F629: 0F                                 
F62A: EF                               
F62B: CF                                 
F62C: CC 00 00                 
F62F: 80                                 
F630: 80                                 
F631: 84 20                     
F633: 88                                
F634: 88                                
F635: 92                                 
F636: 48                               
F637: A4 A4                     
F639: A9 52                   
F63B: AA                                
F63C: AA                             
F63D: D5 AA                  
F63F: DA                                 
F640: DA                                 
F641: DB                                 
F642: 6D EE EE            

Tank Pictures

F645: 00 FC FC 38 3F 38 FC FC F64D: 1C 78 FB 7C 1C 1F 3E 18 F655: 19 3A 7C FF DF 0E 1C 18 F65D: 24 64 79 FF FF 4E 0E 04 F665: 08 08 6B 7F 7F 7F 63 63 F66D: 24 26 9E FF FF 72 70 20 F675: 98 5C 3E FF FB 70 38 18 F67D: 38 1E DF 3E 38 F8 7C 18

Jet Pictures

F685: 60 70 78 FF 78 70 60 00            
F68D: 00 C1 FE 7C 78 30 30 30 
F695: 00 03 06 FC FC 3C 0C 0C               
F69D: 02 04 0C 1C FC FC 1E 06 
F6A5: 10 10 10 38 7C FE FE 10 
F6AD: 40 20 30 38 3F 3F 78 60          
F6B5: 40 60 3F 1F 1E 1E 18 18           
F6BD: 00 83 7F 3E 1E 0C 0C 0C       

Plane Pictures

F6C5: 00 8E 84 FF FF 04 0E 00 
F6CD: 00 0E 04 8F 7F 72 07 00                                  
F6D5: 10 36 2E 0C 1F B2 E0 40                    
F6DD: 24 2C 5D 1A 1A 30 F0 60                                  
F6E5: 18 5A 7E 5A 18 18 18 78                                  
F6ED: 34 36 5A 78 2C 0C 06 0C                                 
F6F5: 08 6C 70 B8 DC 4E 07 06                
F6FD: 38 10 F0 7C 4F E3 02 00              
                    
F705: 00                                  
F706: 0B                                
F707: 16 00                   
F709: 10 00                    
F70B: FF                                 
F70C: 01 11                  
F70E: 01 FF                  
F710: 0F                                
F711: 1F                                 
F712: 0F                               
F713: 50 5F                   
F715: 51 FF                
F717: 30 3F                    
F719: 31 FF                
F71B: 70 7F                    
F71D: 71 90                  
F71F: B0 70                  
F721: FF                                 
F722: 91 B1                 
F724: 71 FF            
F726: 9F                                  
F727: BF                                  
F728: 7F                                  
F729: 08                                  
F72A: 02                                 
F72B: 02                                  
F72C: 02                                  
F72D: 03                                  
F72E: 08                                  
F72F: 1D 05 00               
F732: 00                                  
F733: 00                                  
F734: 00                                  
F735: 00                                  
F736: 00                                  
F737: 00                                  
F738: 00                                  
F739: 00                                  
F73A: 00                                  
F73B: 00                                  
F73C: 00                                  
F73D: 1D 1D 16               
F740: 16 0F                 
F742: 0F                              
F743: 00                                
F744: 00                           
F745: 00                             
F746: 00                              
F747: 00                         
F748: 00                              
F749: 00                                
F74A: 00                                
F74B: 00                                
F74C: 12                                 
F74D: 10 10                    
F74F: 0C                                 
F750: 0C                                
F751: 07                                
F752: 07                             

plyrNumSize:
; Number/size of players, width of missile
;                    copies    width            copies    width
F753: 10 10   ; P0 = 1         2           P1 = 1         2
F755: 11 11   ; P0 = 2 close   2           P1 = 2 close   2
F757: 10 13   ; P0 = 1         2           P1 = 3 close   2
F759: 27 13   ; P0 = 1 quad    4           P1 = 3 close   2
                     
F75B: 32                                
F75C: 2C 8A DA                
F75F: D2                                  
F760: 2C 6A 3A                  
F763: B2                               
F764: 9C                                 
F765: 5A                                 
F766: 2A                           
F767: B2                                 
F768: 0C                                
F769: 3A                                 
F76A: 6A                          
F76B: 08                                  
F76C: 04                               
F76D: 00                               
F76E: 0E 

; - Empty tank field
; - Simple tank field
; - Complex tank field
; - Clouds
; The empty-air-field is just no playfield at all

; Each pattern has three tables of 15 bytes. Each pattern is used over 8 rows.
; 15*2*8 = 240 rows of the playfield

; 15 bytes each mirrored left, right, top, bottom

; PF0 for all tank levels
F76F: F0 10 10 10 10 10 10 10 10 10 10 10 10 10 10 

; PF1 for complex tanks
F77E: FF 00 00 00 38 00 00 00 00 60 20 20 20 23 23         

; PF2 for complex tanks
F78D: FF 80 80 00 00 00 1C 04 04 00 00 00 00 00 00
      
; PF1 and PF2 for blank tanks (vertical line)
F79C: FF             
         
; PF0 for air (all off)
F79D: 00 00 00

; PF1 and PF2 for air
F7A0: 00 00 00 00 00 00 00 00 00 00 00 00 07 1F 3F              

; If you start the clouds PF1 and PF2 at F7A1 then this makes a fatter cloud!
; You could also back up for smaller clouds. I bet the larger cloud was
; intended for a second air playfield ... different for planes and jets.
; Maybe they ran out of code space to use it.
F7AF: 7F
                     
; PF1 for simple tanks
F7B0: FF 00 00 00 00 00 00 00 00 00 60 20 20 20 21 

; PF2 for simple tanks
F7BF: FF 00 00 00 80 80 80 80 00 00 00 00 00 00 07       

; Pointers to player pictures 0=tank, 1=jet, 2=plane
F7CE: 45 C5 85 ; Picture pointers LSB
F7D1: F6 F6 F6 ; Picture pointers MSB

; Four different play fields
; F76F, F77E, F78D  ' Complex tanks
; F76F, F79C, F79C  ' Blank tanks
; F76F, F7B0, F7BF  ' Simple tanks
; F79D, F7A0, F7A0  ' Clouds

;      0  1  2  3
F7D4: 6E 6E 6E 9C ; PF0 LSB (add 1 the drawing loop treats this as entries 1 through 16)
F7D8: 7D 9B AF 9F ; PF1 LSB (add 1)
F7DC: 8C 9B BE 9F ; PF2 LSB (add 1)

Playfields





F7E0: 24 28                    
F7E2: 08                                  
F7E3: 20 00 48                
F7E6: 40                                  
F7E7: 54                                 
F7E8: 58                                  
F7E9: 25 29                     
F7EB: 49 55                     
F7ED: 59 A8 88             
F7F0: 98                                  
F7F1: 90 A1                  
F7F3: 83                                  
F7F4: E8                                  
F7F5: C8                                
F7F6: E0 C0         
F7F8: E9 E2      

Vectors

F7FA: C1 FF        ; NMI Vector (not used -- maybe this was a debugger address)
F7FC: 00 F0        ; Reset vector to F000
F7FE: 0F 11        ; IRQ/vector to 110F (maybe debug hardware?)