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Routines |
| Prev: D892 | Up: Map | Next: D97E |
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Used by the routine at D97E.
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| D894 | LD HL,$D83A | HL=Time. | ||
| D897 | RES 0,(HL) | Reset bit 0 of *HL. | ||
| D899 | LD HL,$D839 | HL=D839. | ||
| D89C | SET 7,(HL) | Set bit 7 of *HL. | ||
| D89E | CALL Colourise_PreviewGrid | Call Colourise_PreviewGrid. | ||
| D8A1 | LD HL,$5825 | HL=5825 (attribute buffer location). | ||
| D8A4 | LD B,$04 | B=04. | ||
| D8A6 | PUSH BC | Stash BC on the stack. | ||
| D8A7 | LD B,$10 | B=10. | ||
| D8A9 | LD (HL),$00 | Write 00 to *HL. | ||
| D8AB | INC HL | Increment HL by one. | ||
| D8AC | DJNZ $D8A9 | Decrease counter by one and loop back to D8A9 until counter is zero. | ||
| D8AE | LD DE,$0010 | HL+=0010. | ||
| D8B1 | ADD HL,DE | |||
| D8B2 | POP BC | Restore BC from the stack. | ||
| D8B3 | DJNZ $D8A6 | Decrease counter by one and loop back to D8A6 until counter is zero. | ||
| D8B5 | LD BC,$00FA | BC=00FA. | ||
| D8B8 | DI | Disable interrupts. | ||
| D8B9 | LD D,$0E | D=0E. | ||
| D8BB | LD A,$05 | A=05. | ||
| D8BD | OUT ($FE),A | Send to the speaker. | ||
| D8BF | XOR %00010000 | Flip bit 4. | ||
| D8C1 | LD E,C | E=C. | ||
| D8C2 | DEC E | Decrease E by one. | ||
| D8C3 | JR NZ,$D8C2 | Jump to D8C2 if E is not zero. | ||
| D8C5 | DEC D | Decrease D by one. | ||
| D8C6 | JR NZ,$D8BD | Jump to D8BD if D is not zero. | ||
| D8C8 | DEC BC | Decrease BC by one. | ||
| D8C9 | LD A,B | Jump to D8B9 if BC is not zero. | ||
| D8CA | OR C | |||
| D8CB | JR NZ,$D8B9 | |||
| D8CD | EI | Enable interrupts. | ||
| D8CE | CALL $E9BF | Call E9BF. | ||
| D8D1 | LD B,$64 | B=64. | ||
| D8D3 | HALT | Halt operation (suspend CPU until the next interrupt). | ||
| D8D4 | DJNZ $D8D3 | Decrease counter by one and loop back to D8D3 until counter is zero. | ||
| D8D6 | DI | Disable interrupts. | ||
| D8D7 | LD HL,$D83A | HL=Time. | ||
| D8DA | LD (HL),$80 | Write 80 to *HL. | ||
| D8DC | CALL $FC6D | Call FC6D. | ||
| D8DF | LD A,($D85E) | A=*D85E. | ||
| D8E2 | INC A | Increment A by one. | ||
| D8E3 | LD D,A | D=A. | ||
| D8E4 | LD E,$7D | E=7D. | ||
| D8E6 | LD H,$01 | H=01. | ||
| D8E8 | LD A,(HL) | A=*HL. | ||
| D8E9 | AND %00011000 | Keep only bits 3-4. | ||
| D8EB | OR %00000101 | Set bits 0, 2. | ||
| D8ED | OUT ($FE),A | Set border to the colour held by A. | ||
| D8EF | INC HL | Increment HL by one. | ||
| D8F0 | LD B,D | B=D. | ||
| D8F1 | DJNZ $D8F1 | Decrease counter by one and loop back to D8F1 until counter is zero. | ||
| D8F3 | DEC E | Decrease E by one. | ||
| D8F4 | JP NZ,$D8E8 | Jump to D8E8 if E is not zero. | ||
| D8F7 | LD HL,$D83A | HL=Time. | ||
| D8FA | BIT 4,(HL) | Test bit 4 of *HL. | ||
| D8FC | JR NZ,$D918 | Jump to D918 if E is not zero. | ||
| D8FE | LD A,($D840) | A=*D840. | ||
| D901 | AND A | Set flags. | ||
| D902 | INC A | Increment A by one. | ||
| D903 | DAA | DAA. | ||
| D904 | LD ($D840),A | Write A to *D840. | ||
| D907 | JR NC,$D912 | Jump to D912 if A is higher. | ||
| D909 | LD A,($D83F) | A=*D83F. | ||
| D90C | CCF | Invert the carry flag. | ||
| D90D | INC A | Increment A by one. | ||
| D90E | DAA | DAA. | ||
| D90F | LD ($D83F),A | Write A to *D83F. | ||
| D912 | CALL Print_Bonus | Call Print_Bonus. | ||
| D915 | JP $D8DC | Jump to D8DC. | ||
| D918 | LD HL,$D841 | HL=D841. | ||
| D91B | LD A,($D876) | A=*Score_Digit_03. | ||
| D91E | AND A | Set flags. | ||
| D91F | ADD A,(HL) | A+=*HL. | ||
| D920 | DAA | DAA. | ||
| D921 | LD ($D876),A | Write A to *Score_Digit_03. | ||
| D924 | LD (HL),$00 | Write 00 to *HL. | ||
| D926 | DEC HL | Decrease HL by one. | ||
| D927 | LD A,($D875) | A=*Score_Digit_02. | ||
| D92A | ADC A,(HL) | A+=*HL. | ||
| D92B | DAA | DAA. | ||
| D92C | LD ($D875),A | Write A to *Score_Digit_02. | ||
| D92F | LD (HL),$00 | Write 00 to *HL. | ||
| D931 | DEC HL | Decrease HL by one. | ||
| D932 | LD A,($D874) | A=*Score_Digit_01. | ||
| D935 | ADC A,(HL) | A+=*HL. | ||
| D936 | DAA | DAA. | ||
| D937 | LD ($D874),A | Write A to *Score_Digit_01. | ||
| D93A | LD (HL),$00 | Write 00 to *HL. | ||
| D93C | LD HL,$F0EA | HL=F0EA. | ||
| D93F | LD B,$23 | B=23. | ||
| D941 | CALL $EF4A | Call EF4A. | ||
| D944 | CALL Print_Bonus | Call Print_Bonus. | ||
| D947 | CALL Print_Score | Call Print_Score. | ||
| D94A | LD A,($D86D) | Jump to D96A if *D86D is not equal to 00. | ||
| D94D | CP $00 | |||
| D94F | JR NZ,$D96A | |||
| D951 | LD A,($D874) | A=*Score_Digit_01. | ||
| D954 | AND %11110000 | Keep only bits 4-7. | ||
| D956 | RRCA | RRCA. | ||
| D957 | RRCA | |||
| D958 | RRCA | |||
| D959 | RRCA | |||
| D95A | CP $01 | Jump to D96A if A is lower than 01 (unsigned comparison). | ||
| D95C | JP M,$D96A | |||
| D95F | LD A,$01 | Write 01 to *D86D. | ||
| D961 | LD ($D86D),A | |||
| D964 | CALL $E9BF | Call E9BF. | ||
| D967 | CALL $E9DA | Call E9DA. | ||
| D96A | LD A,$80 | Write 80 to *Bomb. | ||
| D96C | LD ($D838),A | |||
| D96F | CALL Handler_PlayerInput | Call Handler_PlayerInput. | ||
| D972 | CP $00 | Jump back to D96F until there's any player input. | ||
| D974 | JR Z,$D96F | |||
| D976 | XOR A | Write 00 to *Bomb. | ||
| D977 | LD ($D838),A | |||
| D97A | CALL $EE61 | Call EE61. | ||
| D97D | RET | Return. | ||
| Prev: D892 | Up: Map | Next: D97E |