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Routines |
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| ControlCode_SetInkColour | 9837 | LD HL,$F81E | Set a pointer to Print_AttributeVariable in HL. | |
| 983A | LD A,(HL) | Fetch the current print attribute colour and store it in A. | ||
| 983B | AND %11111000 | Mask off the current INK bits. | ||
| 983D | LD (HL),A | Write the value back to *Print_AttributeVariable. | ||
| 983E | LD A,($F80C) | Fetch the new INK colour from *PrintVariable_01. | ||
| 9841 | CP $08 | Jump to Helper_Return if the new INK colour is invalid (08 or higher), valid ink values are between 00-07. | ||
| 9843 | JP NC,Helper_Return | |||
| 9846 | OR (HL) | Set the new INK value with the current print attribute colour held by *HL. | ||
| 9847 | LD (HL),A | Write the updated value back to *Print_AttributeVariable. | ||
| 9848 | JP ControlCode_Return_1 | Jump to ControlCode_Return_1. | ||
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