| Currah μSpeech | Routines |
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Used by the routine at HandleInterrupt.
Compare the buffer pointer with the address of the queue head.
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| TestQueueEmpty | 00915 | PUSH HL | Stash HL on the stack. | |||||
| 00916 | LD A,6 | Call ReadWorkspace for the address of the queue head. | ||||||
| 00918 | CALL ReadWorkspace | |||||||
| 00921 | CALL ReadBufferPointer | Call ReadBufferPointer. | ||||||
| 00924 | SBC HL,BC | Compare the two pointers. | ||||||
| 00926 | POP HL | Restore HL from the stack. | ||||||
| 00927 | SCF | Clear the carry flag. | ||||||
| 00928 | CCF | |||||||
| 00929 | RET | Return. | ||||||
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