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Routines |
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| 69BE | LD DE,$0002 | DE=0002. | ||
| 69C1 | ADD HL,DE | HL+=DE. | ||
| 69C2 | LD A,(HL) | A=*HL. | ||
| 69C3 | RLCA | RLCA. | ||
| 69C4 | SBC A,A | A-=A. | ||
| 69C5 | RET C | Return if {} is lower. | ||
| 69C6 | BIT 6,(HL) | Return if bit 6 of *HL is zero. | ||
| 69C8 | RET Z | |||
| 69C9 | INC A | Increment A by one. | ||
| 69CA | RET | Return. | ||
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This entry point is used by the routines at 6A00 and 6AAC.
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| 69CB | CALL $69BE | Call 69BE. | ||
| 69CE | LD E,A | E=A. | ||
| 69CF | LD HL,($782E) | HL=*782E. | ||
| 69D2 | ADD A,H | A+=H. | ||
| 69D3 | LD H,A | H=A. | ||
| 69D4 | ADD HL,BC | HL+=BC. | ||
| 69D5 | CP H | Jump to 69DD if A is equal to H. | ||
| 69D6 | JR Z,$69DD | |||
| 69D8 | LD A,C | A=C. | ||
| 69D9 | ADD A,A | A+=A. | ||
| 69DA | ADD A,A | A+=A. | ||
| 69DB | ADD A,H | A+=H. | ||
| 69DC | LD H,A | H=A. | ||
| 69DD | LD A,B | A=B. | ||
| 69DE | AND %00000011 | Keep only bits 0-1. | ||
| 69E0 | INC A | Increment A by one. | ||
| 69E1 | ADD A,E | A+=E. | ||
| 69E2 | LD E,A | E=A. | ||
| 69E3 | CALL $6F62 | Call 6F62. | ||
| 69E6 | ADD A,A | A+=A. | ||
| 69E7 | ADD A,E | A+=E. | ||
| 69E8 | CALL $6996 | Call 6996. | ||
| 69EB | LD ($7831),HL | Write HL to *7831. | ||
| 69EE | LD A,($7830) | A=*7830. | ||
| 69F1 | RET | Return. | ||
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