Routines |
Prev: BF8E | Up: Map | Next: BFEC |
Used by the routine at BF50.
|
||||
BF9F | LD E,$42 | E=42. | ||
BFA1 | LD BC,$0000 | BC=0000. | ||
BFA4 | INC B | Increment B by one. | ||
BFA5 | BIT 4,B | Return if bit 4 of B is set. | ||
BFA7 | RET NZ | |||
BFA8 | PUSH BC | Stash BC, DE and BC on the stack. | ||
BFA9 | PUSH DE | |||
BFAA | PUSH BC | |||
BFAB | LD IX,$C36E | IX=C36E. | ||
BFAF | LD (IX+$12),E | Write E to *IX+12. | ||
BFB2 | CALL $B416 | Call B416. | ||
BFB5 | POP BC | Restore BC from the stack. | ||
BFB6 | LD HL,$CC3D | HL=CC3D. | ||
BFB9 | CALL $C1CD | Call C1CD. | ||
BFBC | LD A,($C1E5) | A=*C1E5. | ||
BFBF | AND %00011000 | Keep only bits 3-4. | ||
BFC1 | OR C | Set the bits from C. | ||
BFC2 | OUT ($FE),A | OUT FE | ||
BFC4 | LD E,B | E=B. | ||
BFC5 | SLA E | Shift E left (with carry). | ||
BFC7 | SLA E | Shift E left (with carry). | ||
BFC9 | LD D,$00 | D=00. | ||
BFCB | PUSH DE | Stash DE on the stack. | ||
BFCC | POP IX | Restore IX from the stack. | ||
BFCE | LD DE,$FFFF | DE=FFFF. | ||
BFD1 | ADD IX,DE | IX+=DE. | ||
BFD3 | BIT 7,(HL) | Jump to BFDB if bit 7 of *HL is set. | ||
BFD5 | JR NZ,$BFDB | |||
BFD7 | JR C,$BFD1 | Jump to BFD1 if {} is lower. | ||
BFD9 | JR $BFB9 | Jump to BFB9. | ||
BFDB | RES 7,(HL) | Reset bit 7 of *HL. | ||
BFDD | POP DE | Restore DE from the stack. | ||
BFDE | DJNZ $BFA9 | Decrease counter by one and loop back to BFA9 until counter is zero. | ||
BFE0 | LD A,$05 | A=05. | ||
BFE2 | XOR E | Reset the bits from E. | ||
BFE3 | LD E,A | E=A. | ||
BFE4 | POP BC | Restore BC from the stack. | ||
BFE5 | LD A,$06 | A=06. | ||
BFE7 | XOR C | Reset the bits from C. | ||
BFE8 | LD C,A | C=A. | ||
BFE9 | JR $BFA4 | Jump to BFA4. | ||
BFEB | RET | Return. |
Prev: BF8E | Up: Map | Next: BFEC |