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NOVERLAY.MZC
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NOVERLAY.MAC
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Text File
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1987-01-15
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768b
|
24 lines
title 'NOVERLAY Runpcd 2.4.4/3.1 Removes overlays (84/11/15)'
;
; This removes any timer overlays that may have been installed, and
; ensures that RUNPCD and RUNPCDI are portable. Only valid for
; version 2.4.4 (CPM installation 3.1) at present.
;
; Assemble to .HEX file and overlay. CPMLINK must be first
; module of .COM file linked to use this.
;
org 0124h
dotime: xra a; Remove time of day
stc
ret
;
timer: stc; Remove interval/time set
ret
nop
;
; The overlay area at location 0139h (for 64 bytes) is normally
; zeroed with an initial 040h (length) byte. This overlay does
; not alter that area.
;
end
»π