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Routines |
| Prev: B6BC | Up: Map | Next: B80F |
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Used by the routine at Handler_Madrid.
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| B7A9 | LD IX,$7258 | IX=7258. | ||
| B7AD | CALL $97D7 | Call 97D7. | ||
| B7B0 | LD A,H | A=H. | ||
| B7B1 | OR L | Set the bits from L. | ||
| B7B2 | LD HL,$7200 | HL=7200. | ||
| B7B5 | RES 7,(HL) | Reset bit 7 of *HL. | ||
| B7B7 | CP $08 | Compare A with 08. | ||
| B7B9 | JR NC,$B7C2 | Jump to B7C2 if A is higher. | ||
| B7BB | SET 7,(HL) | Set bit 7 of *HL. | ||
| B7BD | LD HL,$EFFF | HL=EFFF. | ||
| B7C0 | SET 2,(HL) | Set bit 2 of *HL. | ||
| B7C2 | CALL $9619 | Call 9619. | ||
| B7C5 | LD A,($99A5) | A=*99A5. | ||
| B7C8 | AND %11111110 | Keep only bits 1-7. | ||
| B7CA | CP $BF | Compare A with BF. | ||
| B7CC | JR NC,$B7C2 | Jump to B7C2 if A is higher. | ||
| B7CE | LD L,A | L=A. | ||
| B7CF | LD H,$00 | H=00. | ||
| B7D1 | LD E,L | E=L. | ||
| B7D2 | LD D,$00 | D=00. | ||
| B7D4 | ADD HL,HL | HL+=HL. | ||
| B7D5 | ADD HL,DE | HL+=DE. | ||
| B7D6 | PUSH DE | Stash DE on the stack. | ||
| B7D7 | LD DE,$6242 | DE=6242. | ||
| B7DA | ADD HL,DE | HL+=DE. | ||
| B7DB | PUSH HL | Stash HL on the stack. | ||
| B7DC | LD A,(HL) | A=*HL. | ||
| B7DD | INC HL | Increment HL by one. | ||
| B7DE | LD H,(HL) | H=*HL. | ||
| B7DF | LD DE,$B4C2 | DE=B4C2. | ||
| B7E2 | LD L,A | L=A. | ||
| B7E3 | SBC HL,DE | HL-=DE (with carry). | ||
| B7E5 | LD A,L | A=L. | ||
| B7E6 | CP $20 | Compare A with 20. | ||
| B7E8 | JR C,$B7ED | Jump to B7ED if A is lower. | ||
| B7EA | POP HL | Restore HL and HL from the stack. | ||
| B7EB | POP HL | |||
| B7EC | RET | Return. | ||
| B7ED | LD HL,$7200 | HL=7200. | ||
| B7F0 | OR %00010000 | Set bit 4. | ||
| B7F2 | BIT 7,(HL) | Test bit 7 of *HL. | ||
| B7F4 | JR NZ,$B7F8 | Jump to B7F8 if A is not zero. | ||
| B7F6 | XOR %00010000 | Flip bit 4. | ||
| B7F8 | LD E,A | E=A. | ||
| B7F9 | LD D,$00 | D=00. | ||
| B7FB | LD HL,$B4C2 | HL=B4C2. | ||
| B7FE | ADD HL,DE | HL+=DE. | ||
| B7FF | POP IX | Restore IX from the stack. | ||
| B801 | LD (IX+$00),L | Write L to *IX+00. | ||
| B804 | LD (IX+$01),H | Write H to *IX+01. | ||
| B807 | POP HL | Restore HL from the stack. | ||
| B808 | LD DE,$78C0 | HL+=78C0. | ||
| B80B | ADD HL,DE | |||
| B80C | JP $9914 | Jump to 9914. | ||
| Prev: B6BC | Up: Map | Next: B80F |