39 lines
891 B
Plaintext
39 lines
891 B
Plaintext
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#
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mes 2,EM_WSIZE,EM_PSIZE
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; _LtoUset is called for set displays containing { expr1 .. expr2 }.
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; It has five parameters, of which the caller must pop four:
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; - The set in which bits must be set.
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; - The set size in bytes.
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; - The upper bound of set elements, specified by the set-type.
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; - "expr2", the upper bound
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; - "expr1", the lower bound
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#define SETBASE 4*EM_WSIZE
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#define SETSIZE 3*EM_WSIZE
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#define USETSIZ 2*EM_WSIZE
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#define LWB EM_WSIZE
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#define UPB 0
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exp $_LtoUset
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pro $_LtoUset,0
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lal SETBASE ; address of initial set
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lol SETSIZE
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los EM_WSIZE ; load initial set
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1
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lol LWB ; low bound
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lol UPB ; high bound
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bgt *2 ; while low <= high
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lol LWB
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lol SETSIZE
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set ? ; create [low]
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lol SETSIZE
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ior ? ; merge with initial set
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inl LWB ; increment low bound
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bra *1 ; loop back
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2
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lal SETBASE
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lol SETSIZE
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sts EM_WSIZE ; store result over initial set
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ret 0
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end 0
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