35 lines
1.1 KiB
Text
35 lines
1.1 KiB
Text
#include "e.h"
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exp $HOIST
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pro $HOIST,SZADDR ; used to balance the amount of space on the stack
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; for a call to PUT or PRINT. This is done by
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; loading an amount of dummy data (-1).
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; The parameter is the amount of dummy space needed.
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lxa 0 ; base address of params
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lol SZADDR ; param, after static link, the difference
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loc SZADDR+SZWORD ; diff calculated from after param and static link
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adu SZWORD ; add last two
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ads SZWORD ; add total to arg base
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dup SZADDR ; this is the address of 'count'
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SFL -SZADDR ; save for later use
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loi SZWORD ; load count
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lol SZADDR ; load difference
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adu SZWORD ; new count
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stl SZADDR+SZWORD ; store in new place, at bottom of dummy data
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1
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loc -1 ; dummy data to PRINT
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LFL -SZADDR ; address to place data, initialy where count was
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dup SZADDR
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adp -SZWORD ; reduce pointer by SZWORD ready for next time
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SFL -SZADDR ; re-save
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sti SZWORD ; place -1 in target address
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lol SZADDR ; use difference as a loop counter now
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loc SZWORD
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sbi SZWORD ; reduce loop counter by SZWORD
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dup SZWORD ; need one to store and one to test
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stl SZADDR ; re-save
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zgt *1 ; do next SZWORD block
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ret 0
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end SZADDR
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