Routines
Prev: 653E Up: Map Next: 6C96
68A0: Routine at 68A0
Used by the routines at SecurityCheck, 625C and 63FF.
68A0 LD HL,$5E68 Write 00 to 0C bytes starting from 5E68.
68A3 LD BC,$0C00
68A6 LD (HL),C
68A7 INC HL
68A8 DJNZ $68A6
68AA LD HL,$FFFF Write FFFF to 5E34.
68AD LD ($5E34),HL
68B0 LD HL,$65FD HL=65FD.
68B3 LD B,$10
68B5 RES 0,(HL)
68B7 INC HL
68B8 INC HL
68B9 DJNZ $68B5
68BB CALL $7200 Call 7200.
68BE CALL $69BC Call 69BC.
68C1 CALL $6949 Call 6949.
68C4 CALL $646C Call 646C.
68C7 CALL $687B Call 687B.
68CA CALL $6CDE Call 6CDE.
68CD LD HL,$5808
68D0 LD BC,$1801
68D3 PUSH BC
68D4 CALL $6900
68D7 LD HL,$5AE8
68DA POP BC
68DB CALL $6900
68DE LD HL,$5828
68E1 LD BC,$0116
68E4 PUSH BC
68E5 CALL $6900
68E8 POP BC
68E9 LD HL,$583F
68EC CALL $6900
68EF LD HL,$0050
68F2 LD DE,$6031
68F5 CALL $6518
68F8 CALL $6CB6
68FB CALL $6CBE
68FE JR $6919
6900 LD E,B
6901 LD B,E
6902 PUSH HL
6903 LD (HL),$76
6905 INC HL
6906 DJNZ $6903
6908 POP HL
6909 CALL $6910
690C DEC C
690D JR NZ,$6901
690F RET Return.
6910 LD A,L
6911 ADD A,$20
6913 LD L,A
6914 LD A,H
6915 ADC A,$00
6917 LD H,A
6918 RET
6919 LD A,($5E43)
691C AND A
691D RET Z
691E LD HL,$4070 HL=4070.
6921 LD DE,$693C DE=NightDriver_Text.
6924 CALL $6518 Call 6518.
6927 LD B,$04
6929 CALL $6386
692C LD HL,$4070
692F PUSH HL
6930 CALL $6F10
6933 LD A,$00
6935 EX AF,AF'
6936 LD DE,$6AE5
6939 JP $651F
NightDriver_Text 693C DEFM $47
693D DEFM "NIGHT DRIVE","R"+$80
6949 LD BC,$7811
694C LD HL,$4708
694F LD A,(BC)
6950 INC BC
6951 SRL A
6953 SRL A
6955 LD E,A
6956 LD A,(BC)
6957 INC BC
6958 SRL A
695A SRL A
695C SRL A
695E LD D,A
695F LD A,H
6960 SUB D
6961 LD H,A
6962 LD A,L
6963 ADD A,E
6964 LD L,A
6965 LD A,(BC)
6966 INC BC
6967 PUSH BC
6968 LD BC,$0101
696B BIT 6,A
696D JR Z,$6976
696F CP $60
6971 JR Z,$6976
6973 CALL $6998
6976 POP BC
6977 LD HL,$7CD6
697A AND A
697B SBC HL,BC
697D JR NZ,$694C
697F RET
This entry point is used by the routine at 653E.
6980 RES 0,(IX+$00)
6984 LD HL,($5E34)
6987 LD A,L
6988 SUB (IX+$00)
698B LD L,A
698C LD A,H
698D SUB (IX+$01)
6990 LD H,A
This entry point is used by the routines at 625C and 653E.
6991 LD A,$86
6993 LD ($69A7),A
6996 JR $699D
This entry point is used by the routines at 625C and 653E.
6998 LD A,$C6
699A LD ($69A7),A
699D PUSH BC
699E PUSH HL
699F LD A,L
69A0 CPL
69A1 RLCA
69A2 RLCA
69A3 RLCA
69A4 AND $38
69A6 OR $C6
69A8 LD ($69AF),A
69AB CALL $6F10
69AE SET 0,(HL)
69B0 CALL $6ECB
69B3 DJNZ $69AE
69B5 POP HL
69B6 POP BC
69B7 INC L
69B8 DEC C
69B9 JR NZ,$699D
69BB RET
69BC LD HL,($5C36)
69BF PUSH HL
69C0 LD HL,$74B1
69C3 LD ($5C36),HL
69C6 LD HL,$7691
69C9 LD DE,$7751
69CC EXX
69CD LD HL,$4000
69D0 LD DE,$5800
69D3 LD C,$18
69D5 LD A,$08
69D7 LD ($5E2C),A
69DA LD A,($5E2C)
69DD LD B,A
69DE PUSH HL
69DF PUSH DE
69E0 EXX
69E1 LD A,(HL)
69E2 INC HL
69E3 EXX
69E4 CALL PrintScreen
69E7 EXX
69E8 LD A,(DE)
69E9 INC DE
69EA EXX
69EB LD (DE),A
69EC INC DE
69ED DJNZ $69E0
69EF POP HL
69F0 CALL $6910
69F3 EX DE,HL
69F4 POP HL
69F5 CALL $6910
69F8 LD A,L
69F9 AND $E0
69FB JR NZ,$6A01
69FD LD A,H
69FE ADD A,$07
6A00 LD H,A
6A01 DEC C
6A02 JR NZ,$69DA
6A04 POP HL
6A05 LD ($5C36),HL
6A08 RET
This entry point is used by the routine at 625C.
6A09 LD HL,$6A15
6A0C LD DE,$5E80
6A0F LD BC,$0024
6A12 LDIR
6A14 RET
6A15 LD BC,$6898
6A18 LD (HL),D
6A19 RET NZ
6A1A NOP
6A1B NOP
6A1C NOP
6A1D NOP
6A1E NOP
6A1F NOP
6A20 LD (BC),A
6A21 LD (BC),A
6A22 ADD A,B
6A23 NOP
6A24 NOP
6A25 ADD A,B
6A26 NOP
6A27 ADD A,B
6A28 NOP
6A29 NOP
6A2A NOP
6A2B NOP
6A2C LD (BC),A
6A2D LD (BC),A
6A2E ADD A,B
6A2F NOP
6A30 LD (BC),A
6A31 ADD A,B
6A32 CPL
6A33 ADD A,B
6A34 RLA
6A35 NOP
6A36 NOP
6A37 ADD A,B
6A38 LD (BC),A
6A39 LD HL,($5E10)
6A3C LD BC,$0020
6A3F ADD HL,BC
6A40 LD A,H
6A41 AND $03
6A43 RL L
6A45 RLA
6A46 RL L
6A48 RLA
6A49 SLA A
6A4B LD HL,$7F24
6A4E LD C,A
6A4F LD B,$00
6A51 ADD HL,BC
6A52 LD E,(HL)
6A53 INC HL
6A54 LD D,(HL)
6A55 LD HL,$4F93
6A58 LD A,$02
6A5A LD ($5E2C),A
6A5D LD A,(DE)
6A5E INC DE
6A5F LD C,A
6A60 LD A,($5E2C)
6A63 LD B,A
6A64 PUSH HL
6A65 LD A,(DE)
6A66 LD (HL),A
6A67 INC DE
6A68 INC L
6A69 DJNZ $6A65
6A6B POP HL
6A6C CALL $6ECB
6A6F DEC C
6A70 JR NZ,$6A60
6A72 RET
6A73 LD DE,$000C
6A76 ADD IX,DE
6A78 PUSH IX
6A7A POP HL
6A7B LD BC,$5EA4
This entry point is used by the routine at 6F10.
6A7E AND A
6A7F SBC HL,BC
6A81 JP C,$6010
6A84 CALL $6158
6A87 LD A,$FE
6A89 OUT ($FD),A
6A8B IN A,($FE)
6A8D BIT 0,A
6A8F JR Z,$6A87
6A91 LD HL,($5E29)
6A94 INC HL
6A95 LD ($5E29),HL
6A98 JP $6009
6A9B PUSH IX
6A9D LD A,$FF
6A9F LD ($5E39),A
6AA2 CALL $6B47
6AA5 CALL $6AF5
6AA8 CALL $6D12
6AAB CALL $6557
6AAE CALL $625C
6AB1 CALL $6588
6AB4 CALL $611B
6AB7 POP IX
6AB9 CALL $6A39
6ABC LD HL,$5993
6ABF LD BC,$0202
6AC2 LD A,($5E44)
6AC5 OR $02
6AC7 LD D,A
6AC8 CALL $7064
6ACB CALL $64C7
6ACE CALL $6CDE
6AD1 LD A,($5E39)
6AD4 AND A
6AD5 RET Z
6AD6 INC A
6AD7 RET NZ
6AD8 LD ($5E39),A
6ADB LD HL,$B868
6ADE LD DE,$6AE4
6AE1 JP $6518
6AE4 HALT
6AE5 JR NZ,$6B07
6AE7 JR NZ,$6B09
6AE9 JR NZ,$6B0B
6AEB JR NZ,$6B0D
6AED JR NZ,$6B0F
6AEF JR NZ,$6B11
6AF1 JR NZ,$6B13
6AF3 JR NZ,$6A95
6AF5 LD HL,$5E50
6AF8 LD B,$07
6AFA BIT 7,(HL)
6AFC JR Z,$6B12
6AFE RES 7,(HL)
6B00 JR $6B0C
6B02 PUSH HL
6B03 LD HL,$0118
6B06 DEC HL
6B07 LD A,H
6B08 OR L
6B09 JR NZ,$6B06
6B0B POP HL
6B0C INC HL
6B0D INC HL
6B0E INC HL
6B0F DJNZ $6AFA
6B11 RET
6B12 LD A,(HL)
6B13 AND A
6B14 JR Z,$6B02
6B16 PUSH BC
6B17 PUSH HL
6B18 PUSH HL
6B19 POP IX
6B1B CALL $71ED
6B1E CALL $7139
6B21 POP HL
6B22 XOR A
6B23 LD (HL),A
6B24 INC HL
6B25 LD (HL),A
6B26 INC HL
6B27 LD (HL),A
6B28 POP BC
6B29 JR $6B0E
This entry point is used by the routine at 625C.
6B2B PUSH BC
6B2C LD B,$02
6B2E JR $6B33
This entry point is used by the routine at 625C.
6B30 PUSH BC
6B31 LD B,$03
6B33 LD E,$00
6B35 SRL D
6B37 RR E
6B39 DJNZ $6B35
6B3B POP BC
6B3C RET
6B3D PUSH BC
6B3E LD B,$04
6B40 JR $6B33
6B42 LD HL,$6BE6
6B45 JR $6B7F
6B47 LD BC,($5E19)
6B4B XOR A
6B4C EX AF,AF'
6B4D LD A,(BC)
6B4E INC BC
6B4F LD D,A
6B50 CALL $6B30
6B53 LD HL,($5E05)
6B56 AND A
6B57 SBC HL,DE
6B59 JR NC,$6B62
6B5B CALL $6BF6
6B5E EX AF,AF'
6B5F XOR $02
6B61 EX AF,AF'
6B62 PUSH HL
6B63 EX DE,HL
6B64 LD HL,$0060
6B67 AND A
6B68 SBC HL,DE
6B6A POP HL
6B6B RET C
6B6C LD A,L
6B6D LD ($5E17),A
6B70 LD A,(BC)
6B71 INC BC
6B72 LD D,A
6B73 CALL $6B3D
6B76 LD A,($5E43)
6B79 AND A
6B7A JR Z,$6B42
6B7C LD HL,$6BD6
6B7F LD A,(BC)
6B80 INC BC
6B81 LD ($5E1F),A
6B84 CP $20
6B86 JR Z,$6BD3
6B88 CP $40
6B8A JR NC,$6BD3
6B8C ADD A,L
6B8D LD L,A
6B8E LD A,H
6B8F ADC A,$00
6B91 LD H,A
6B92 LD A,($5E44)
6B95 OR (HL)
6B96 LD ($5E42),A
6B99 LD HL,($5E08)
6B9C AND A
6B9D SBC HL,DE
6B9F JR NC,$6BA8
6BA1 CALL $6BF6
6BA4 EX AF,AF'
6BA5 XOR $01
6BA7 EX AF,AF'
6BA8 PUSH HL
6BA9 EX DE,HL
6BAA LD HL,$0060
6BAD AND A
6BAE SBC HL,DE
6BB0 POP HL
6BB1 JR C,$6B4B
6BB3 LD A,L
6BB4 LD ($5E18),A
6BB7 EX AF,AF'
6BB8 LD E,A
6BB9 LD D,$00
6BBB LD HL,$6BCF
6BBE ADD HL,DE
6BBF LD A,(HL)
6BC0 LD ($5E13),A
6BC3 LD ($5E3A),BC
6BC7 PUSH BC
6BC8 CALL $6F3C
6BCB POP BC
6BCC JP $6B4B
6BCF LD (BC),A
6BD0 INC BC
6BD1 LD BC,$AF00
6BD4 JR $6B92
6BD6 LD B,E
6BD7 LD B,(HL)
6BD8 LD B,L
6BD9 LD B,H
6BDA LD B,A
6BDB LD B,D
6BDC LD B,H
6BDD LD B,H
6BDE LD B,H
6BDF LD B,H
6BE0 LD B,L
6BE1 LD B,A
6BE2 LD B,H
6BE3 LD B,L
6BE4 LD B,(HL)
6BE5 LD B,A
6BE6 LD B,E
6BE7 LD B,B
6BE8 LD B,C
6BE9 LD B,D
6BEA LD B,D
6BEB LD B,C
6BEC LD B,B
6BED LD B,B
6BEE LD B,B
6BEF LD B,B
6BF0 LD B,C
6BF1 LD B,D
6BF2 LD B,D
6BF3 LD B,C
6BF4 LD B,B
6BF5 LD B,C
This entry point is used by the routines at 61E0 and 653E.
6BF6 LD A,L
6BF7 CPL
6BF8 LD L,A
6BF9 LD A,H
6BFA CPL
6BFB LD H,A
6BFC INC HL
6BFD RET
This entry point is used by the routine at 625C.
6BFE LD BC,$7811
6C01 LD HL,($5E05)
6C04 LD DE,$0060
6C07 AND A
6C08 SBC HL,DE
6C0A EX DE,HL
6C0B EX DE,HL
6C0C LD A,(BC)
6C0D INC BC
6C0E LD D,A
6C0F CALL $6B30
6C12 EX DE,HL
6C13 AND A
6C14 SBC HL,DE
6C16 JR NC,$6C2A
6C18 INC BC
6C19 INC BC
6C1A LD HL,$7CD6
6C1D AND A
6C1E SBC HL,BC
6C20 JR NZ,$6C0B
6C22 LD BC,$7811
6C25 LD ($5E19),BC
6C29 RET
6C2A DEC BC
6C2B JR $6C25
This entry point is used by the routine at 6CB6.
6C2D XOR A
6C2E LD ($5E1B),A
6C31 LD BC,($5E19)
6C35 DEC BC
6C36 DEC BC
6C37 DEC BC
6C38 LD A,(BC)
6C39 LD D,A
6C3A CALL $6B30
6C3D CALL $6C82
6C40 JR NC,$6C49
6C42 LD A,$01
6C44 LD ($5E1B),A
6C47 JR $6C35
6C49 LD A,($5E1B)
6C4C AND A
6C4D JR Z,$6C57
6C4F INC BC
6C50 INC BC
6C51 INC BC
6C52 LD ($5E19),BC
6C56 RET
6C57 LD BC,($5E19)
6C5B LD A,(BC)
6C5C LD D,A
6C5D CALL $6B30
6C60 CALL $6C82
6C63 RET C
6C64 LD ($5E1C),HL
6C67 INC BC
6C68 INC BC
6C69 INC BC
6C6A LD A,(BC)
6C6B LD D,A
6C6C CALL $6B30
6C6F CALL $6C82
6C72 JR C,$6C52
6C74 PUSH HL
6C75 LD DE,($5E1C)
6C79 AND A
6C7A SBC HL,DE
6C7C POP HL
6C7D JR Z,$6C67
6C7F JR C,$6C64
6C81 RET
6C82 LD HL,($5E05)
6C85 AND A
6C86 SBC HL,DE
6C88 JR NC,$6C8D
6C8A CALL $6BF6
6C8D PUSH HL
6C8E LD DE,$0060
6C91 AND A
6C92 SBC HL,DE
6C94 POP HL
6C95 RET
Prev: 653E Up: Map Next: 6C96