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58 lines
1.6 KiB
Plaintext
58 lines
1.6 KiB
Plaintext
;;;;;
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;
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; Test expressions that evaluate to registers.
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;
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; !!! THIS TEST IS NOT RUN YET BECAUSE MANY OF THE CASES FAIL !!!
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;
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; All lines not marked "error" should assemble without complaint
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; as absolute values (no relocation etc).
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;
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; Section 3.4 (page 3-8) is a bit vague about the expressions that are allowed
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; after a %, but "the digit specifying the register can be replaced by any valid,
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; absolute term that can be evaluated during the first assembly pass."
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; It specifically mentions %3+1 to be the same as %4.
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; For the rest there is no indication where exactly register labels can be used.
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A = 1
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l1 = %1
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l2 = %1+1
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l3 = %a
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l4 = %a + 1
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l5 = %<1+1>
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l6 = <%1>+1 ; must be register!
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l7 = <%a>+1 ; must be register!
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l8 = %1 + %2
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l8a = <%1> + <%2> ; must be register!
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l9 = %<%1 + %2>
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l9c = %<%<%1 + %2>>
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l9d = %<%<%<%1 + %2>>>
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l9a = %<R1 + R2>
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l9b = %<R1>
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B = rti ; 2
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l10 = %B
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l11 = %wait ; 1
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l12 = %1.
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l13 = %7.
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l14 = %10 ; error: too large
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l15 = %8. ; error: too large
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mov #%2,%2 ; must not be a relocatable expression!
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mov #l1,%2 ; must not be a relocatable expression!
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mov #<%1+%2>,%3 ; must not be a relocatable expression!
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mov #<l1+1>,%3 ; must not be a relocatable expression!
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mov #<%l1+1>,%3 ; must not be a relocatable expression!
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l20 = %l1
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l21 = %l20
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l22 = l1 ; still a register
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l23 = l22 ; still a register
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.end
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