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keypresses from the keypad. Includes sample program illustrating how to use them. Tested on real KIM-1 hardware.
32 lines
1.2 KiB
PHP
32 lines
1.2 KiB
PHP
; ---------------------------------------------------------------------------
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;
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; KIM-1 definitions
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;
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; ---------------------------------------------------------------------------
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RAMSTART := $0200 ; Entry point
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; ---------------------------------------------------------------------------
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; Monitor Functions
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; ---------------------------------------------------------------------------
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OUTCHR := $1EA0 ; Output character
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INTCHR := $1E5A ; Input character without case conversion
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DUMPT := $1800 ; Dump memory to tape
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LOADT := $1873 ; Load memory from tape
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START := $1C4F ; Enter KIM-1 monitor
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SCANDS := $1F1F ; Scan 7-segment display
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KEYIN := $1F40 ; Open up keyboard channel
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GETKEY := $1F6A ; Return key from keyboard
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; ---------------------------------------------------------------------------
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; System Memory
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; ---------------------------------------------------------------------------
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SAL := $17F5 ; Tape load address low
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SAH := $17F6 ; Tape load address high
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EAL := $17F7 ; Tape address end low
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EAH := $17F8 ; Tape address end high
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ID := $17F9 ; Tape Identification number
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