mirror of
https://github.com/tebl/RC-Project-Board.git
synced 2024-06-01 21:41:29 +00:00
139 lines
9.1 KiB
Plaintext
139 lines
9.1 KiB
Plaintext
0000- 4 ;
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0000- 5 ; SPINNER IS A REACTION TIMING GAME USING '6502 GAMES' HARDWARE, AN LED CHASES
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0000- 6 ; AROUND THE LED CUBE AND YOU SHOULD TRY TO HIT THE CORRESPONDING BUTTON.
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0000- 7 ; BOARD SHOULD ; BE JUMPERED WITH VIA CHIPS AT THE ADDRESSES SPECIFIED BELOW.
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0000- 8 ; OTHER THAN THAT THE CODE IS SHOULD BE UNCHANGED FROM THE BOOK THOUGH THERE
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0000- 9 ; WILL BE SOME DIFFERENCES DUE TO ASSEMBLER USED.
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0000- 10 ;
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4000- 11 VIA1 .EQ $4000 ; GAME BOARD (VIA #1)
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4C00- 12 VIA3 .EQ $4C00 ; GAME BOARD (VIA #3)
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0000- 13
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8000- 14 .OR $8000
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8000- 15 .TA $0000
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8000- 16 BE6502 .IN ../../common/CH06-Spinner/game.asm
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8000- I 1 ; 'SPINNER'
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8000- I 2 ; PROGRAM TO TEST REACTION TIME OF PLAYER. BLIP OF LIGHT SPINS AROUND EDGE OF
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8000- I 3 ; 3X3 LED MATRIX, AND USER MUST PRESS CORRESPONDING KEY. IF, AFTER A NUMBER OF
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8000- I 4 ; SPINS, CORRECT KEY HAS NOT BEEN PRESSED, BLIP SPINS SLOWER. IF CORRECT KEY
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8000- I 5 ; HAS BEEN PRESSED, BLIP SPINS FASTER. ALL LEDS LIGHT WHEN SUCCESSFUL KEYPRESS
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8000- I 6 ; OCCURS ON MAXIMUM SPEED.
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8000- I 7 ;
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8000- I 8 ; I/O:
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8000- I 9 ;
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4003- I 10 DDR1A .EQ VIA1+3 ; PORT A DATA DIRECTION REGISTER
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4002- I 11 DDR1B .EQ VIA1+2 ; PORT B DATA DIRECTION REGISTER
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4001- I 12 PORT1A .EQ VIA1+1 ; PORT A
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4000- I 13 PORT2 .EQ VIA1
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4000- I 14 PORT1B .EQ VIA1 ; PORT B
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4C03- I 15 DDR3A .EQ VIA3+3 ; PORT A DATA DIRECTION REGISTER
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4C02- I 16 DDR3B .EQ VIA3+2 ; PORT B DATA DIRECTION REGISTER
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4C00- I 17 PORT3B .EQ VIA3 ; PORT B
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4C01- I 18 PORT3A .EQ VIA3+1 ; PORT A
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8000- I 19 ;
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8000- I 20 ; VARIABLE STORAGE.
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8000- I 21 ;
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0000- I 22 ZP .EQ $00
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0000- I 23 DURAT .EQ ZP ; DURATION OF INTER-MOVEMENT DELAY.
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0001- I 24 DIFCLT .EQ ZP+1 ; DIFFICULTY LEVEL.
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0002- I 25 DNTST .EQ ZP+2 ; SET TO $01 IF KEY DOWN AT START OF
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8000- I 26 ; INTER-MOVEMENT DELAY.
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8000- I 27 ;
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8000- I 28 ; MAIN PROGRAM
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8000- I 29 ;
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8000-A9 FF I 30 ( 2) START LDA #$FF ; SET I/O REGISTERS.
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8002-8D 03 40 I 31 ( 4) STA DDR1A
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8005-8D 02 40 I 32 ( 4) STA DDR1B
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8008-8D 02 4C I 33 ( 4) STA DDR3B
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800B-A9 08 I 34 ( 2) LDA #8
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800D-85 01 I 35 ( 3) STA DIFCLT ; SET DIFFICULTY
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800F-8D 03 4C I 36 ( 4) STA DDR3A ; SET KEYSTROBE PORT.
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8012-A0 00 I 37 ( 2) NWGME LDY #0 ; RESET LOOP/BLIP COUNTER.
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8014-A9 00 I 38 ( 2) LOOP LDA #0
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8016-85 02 I 39 ( 3) STA DNTST ; CLEAR KEYDOWN INDICATOR.
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8018-8D 00 40 I 40 ( 4) STA PORT1B ; CLEAR HI LED PORT.
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801B-98 I 41 ( 2) TYA ; USE LOWER 3 BITS OF MAIN COUNTER
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801C-29 07 I 42 ( 2) AND #$07 ; AS INDEX TO FIND LED PATTERN
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801E-AA I 43 ( 2) TAX ; IN TABLE OF PATTERNS.
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801F-BD 95 80 I 44 ( 4*) LDA LTABLE,X ; GET PATTERN FOR LED TO BE TURNED ON
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8022-8D 01 40 I 45 ( 4) STA PORT1A ; STORE IN LED PORT.
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8025-D0 05 I 46 (2**) BNE CHECK ; IF PATTERN <> 0, SKIP.
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8027-A9 01 I 47 ( 2) LDA #1 ; PATTERN=0, SO SET HI BIT.
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8029-8D 00 40 I 48 ( 4) STA PORT1B
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802C-BD 9D 80 I 49 ( 4*) CHECK LDA KYTBL,X ; GET KEY# TO TEST FOR.
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802F-8D 00 4C I 50 ( 4) STA PORT3B ; STORE IN KEYPORT
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8032-2C 01 4C I 51 ( 4) BIT PORT3A ; STROBE HI?
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8035-30 04 I 52 (2**) BMI DELAY ; IF NOT, SKIP.
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8037-A9 01 I 53 ( 2) INVALD LDA #01 ; STROBE HI; SET KEY DOWN MARKER.
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8039-85 02 I 54 ( 3) STA DNTST
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803B-A9 80 I 55 ( 2) DELAY LDA #$80 ; GET # OF LOOP CYCLES (DELAY LENGTH)
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803D-85 00 I 56 ( 3) STA DURAT
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803F-A5 01 I 57 ( 3) DL1 LDA DIFCLT ; MULTIPLY DIFFICULTY COUNTER
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8041-0A I 58 ( 2) ASL A ; BY FOUR TO DETERMINE DELAY
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8042-0A I 59 ( 2) ASL A ; LENGTH.
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8043-AA I 60 ( 2) TAX
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8044-26 02 I 61 ( 5) DL2 ROL DNTST ; DELAY ACCORDING TO DIFCLT.
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8046-66 02 I 62 ( 5) ROR DNTST
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8048-CA I 63 ( 2) DEX
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8049-D0 F9 I 64 (2**) BNE DL2 ; LOOP UNTIL COUNT = 0
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804B-A5 02 I 65 ( 3) LDA DNTST ; GET KEY DOWN FLAG.
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804D-D0 05 I 66 (2**) BNE NOTST ; IF KEY WAS DOWN AT BEGINNING OF
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804F- I 67 ; DELAY, DON'T TEST IT.
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804F-2C 01 4C I 68 ( 4) BIT PORT3A ; CHECK KEY STROBE
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8052-10 19 I 69 (2**) BPL HIT ; KEY HAS CLOSED DURING DELAY: HIT.
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8054-C6 00 I 70 ( 5) NOTST DEC DURAT ; COUNT DELAY LOOP DOWN.
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8056-D0 E7 I 71 (2**) BNE DL1 ; LOOP IF NOT 0.
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8058-C8 I 72 ( 2) INY ; INCREMENT MAIN SPIN COUNTER.
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8059-D0 B9 I 73 (2**) BNE LOOP ; IF 32 LOOPS NOT DONE, DO NEXT LOOP EASIER
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805B-A6 01 I 74 ( 3) LDX DIFCLT ; NO HITS THIS TIME, MAKE NEXT EASIER.
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805D-E8 I 75 ( 2) INX
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805E-8A I 76 ( 2) TXA ; MAKE SURE DIFFICULTY DOES NOT
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805F-C9 10 I 77 ( 2) CMP #16 ; EXCEED 15.
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8061-D0 02 I 78 (2**) BNE OK
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8063-A9 0F I 79 ( 2) LDA #15
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8065-85 01 I 80 ( 3) OK STA DIFCLT
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8067-20 82 80 I 81 ( 6) JSR WAIT ; PAUSE A BIT
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806A-4C 12 80 I 82 ( 3) JMP NWGME ; START NEW ROUND.
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806D-20 82 80 I 83 ( 6) HIT JSR WAIT ; PAUSE A BIT.
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8070-C6 01 I 84 ( 5) DEC DIFCLT ; MAKE NEXT GAME HARDER.
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8072-D0 9E I 85 (2**) BNE NWGME ; IF DIFFICULTY NOT 0 (HARDEST), PLAY NEXT GAME.
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8074-A9 FF I 86 ( 2) LDA #$FF ; PLAYER HAS MADE IT TO TOP
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8076-8D 01 40 I 87 ( 4) STA PORT1A ; DIFFICULTY LEVEL, LIGHT ALL LEDS.
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8079-8D 00 40 I 88 ( 4) STA PORT1B
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807C-20 82 80 I 89 ( 6) JSR WAIT ; PAUSE A BIT.
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807F-4C 00 80 I 90 ( 3) JMP START ; PLAY ANOTHER GAME.
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8082- I 91 ;
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8082- I 92 ; SUBROUTINE 'WAIT'
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8082- I 93 ; SHORT DELAY.
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8082- I 94 ;
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8082-A0 FF I 95 ( 2) WAIT LDY #$FF
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8084-A2 FF I 96 ( 2) LP1 LDX #$FF
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8086-66 00 I 97 ( 5) LP2 ROR DURAT
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8088-26 00 I 98 ( 5) ROL DURAT
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808A-66 00 I 99 ( 5) ROR DURAT
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808C-26 00 I 100 ( 5) ROL DURAT
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808E-CA I 101 ( 2) DEX
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808F-D0 F5 I 102 (2**) BNE LP2
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8091-88 I 103 ( 2) DEY
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8092-D0 F0 I 104 (2**) BNE LP1
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8094-60 I 105 ( 6) RTS
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8095- I 106 ;
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8095- I 107 ; TABLE OF PATTERNS TO BE SENT TO LED MATRIX AT EACH LOOP COUNTM SET FOR
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8095- I 108 ; CLOCKWISE ROTATION STARTING AT LED #1.
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8095- I 109 ;
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8095-01 02 04 20
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00 80 40 08 I 110 LTABLE .HS 01.02.04.20.00.80.40.08
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809D- I 111
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809D- I 112 ;
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809D- I 113 ; TABLE OF PATTERNS TO BE SENT TO KEYBOARD TO TEST IF LEDS ARE ON AT EACH
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809D- I 114 ; LOOP COUNT.
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809D- I 115 ;
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809D-01 02 03 06
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09 08 07 04 I 116 KYTBL .HS 01.02.03.06.09.08.07.04
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80A5- 17 ;
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80A5- 18 ; STORE CPU INITIALIZATION VECTORS AT THE END OF THE EEPROM.
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80A5- 19 ;
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FFFA 20 .NO $FFFA,$FF
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FFFA-00 80 21 .DA BE6502 ; NMI VECTOR
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FFFC-00 80 22 .DA BE6502 ; RESET VECTOR
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FFFE-00 80 23 .DA BE6502 ; IRQ VECTOR
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