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Routines | 
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| A1D2 | PUSH HL | Stash HL on the stack. | ||
| A1D3 | LD HL,$A088 | HL=A088. | ||
| A1D6 | CALL $A1B4 | Call A1B4. | ||
| A1D9 | OR (HL) | Set the bits from *HL. | ||
| A1DA | LD (HL),A | Write A to *HL. | ||
| A1DB | POP HL | Restore HL from the stack. | ||
| A1DC | RET | Return. | ||
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