Spectrum ROM | Routines |
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This subroutine is called whenever the printer buffer is to have its contents passed to the printer.
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COPY_BUFF | 03789 | DI | Disable the maskable interrupt. | ||||
03790 | LD HL,23296 | The base address of the printer buffer. | |||||
03793 | LD B,8 | There are eight pixel lines. | |||||
COPY_3 | 03795 | PUSH BC | Save the line number. | ||||
03796 | CALL COPY_LINE | Print the line. | |||||
03799 | POP BC | Fetch the line number. | |||||
03800 | DJNZ COPY_3 | Jump back until 8 lines have been printed. | |||||
This entry point is used by the routine at COPY.
Continue into the COPY_END routine.
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COPY_END | 03802 | LD A,4 | Stop the printer motor. | ||||
03804 | OUT (251),A | ||||||
03806 | EI | Enable the maskable interrupt and continue into CLEAR_PRB. |
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