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Allow implicit floating point immediate for FPP instructions

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which have an general (source) argument and an AC destination.
There are no FPP instrs which have 1 general source arg;
only with 1 general destination (even TSTF).
This commit is contained in:
Olaf Seibert
2021-01-23 15:56:06 +01:00
parent 28f891dc1f
commit 0e3d596daf
7 changed files with 151 additions and 15 deletions
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29
tests/test-float.mac
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@@ -98,4 +98,33 @@
.FLT4 170141183460469230564930741053754966015 ; 2**127-(2**70-2**64+2**62+1)
.FLT4 170141183460469230564930741053754966016 ; 2**127-(2**70-2**64+2**62+2)
; Several ways to define a name for the fpp registers
; TODO: change symbol table to show % sign
ac0 = r0
ac1 = %1
f2 = %2
mulf r3,ac0
mulf r2,ac1
ADDF #^O41040,F2
addf #1,ac1
mulf r3,ac0
mulf r2,ac1
addf #^O41040,F2 ; taken literally
addf #1,ac1 ; as float
addf #1.,ac1 ; as float
addf #^D1,ac1 ; literally
addf #<1+1>,ac1 ; literally
addf #1.5,ac1 ; as float
addd #-1.4,ac1 ; as float
; TODO: let parser check for junk at end of line
absf #2.5 ; bad: operand is destination
tstd #2.5 ; bad: operand is considered FDST by the arch handbook
stf ac0,#2.5 ; bad: junk at end of line
stf ac0,#2 ; doesn't makes sense but MACRO11 allows it
.end