URL
https://opencores.org/ocsvn/tms1000/tms1000/trunk
Subversion Repositories tms1000
[/] [tms1000/] [trunk/] [rtl/] [icalc.asm] - Rev 2
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.rom @0
lock : tka
kin : alec 7
br k1
a8aac
k1 : retn
alec 0
br reset
br lock
reset : tcy 6
re1 : rstr
dyn
br re1
disp : tcy 6
br scan2
scan1 : tya
tcy 12
tamiy
tka
tbit1 1
br clok
call kin
alec 0
br nok
delay : dan
br delay
dyn
br delay
call lock
alec 0
br nok
bl key
noclk : rbit 0
nok : tcy 12
tmy
dyn ;fetch 1
scan2 : tma
iyc
rstr
dyn
tdo
setr
ynec 15
br scan1
br disp
clok : alec 7
br noclk
tbit1 0
br nok
sbit 0
tcy 6
tst2 : ldp 1
mnez
br clk1
ldp 0
dyn
br tst2
tya
ynea
tcy 13
tcmiy 0
br nok
br lock
br lock
.rom @1
clk1 : tcy 14
imac
alec 9
br clk3
tcmiy 0
imac
alec 5
br clk3
tcmiy 0
clk2 : dman
br clk3
tcmiy 9
br clk2
clk3 : tam
bl nok
.rom @2
key : tcy 6
clen : xma
alec 9
br clen1
cla
clen1 : xma
dyn
br clen
tcy 13
ldp 3
alec 1
br func
ldp 2
tbit1 3
br ne_1
sbit 3
calll creg
ne_1 : tcy 12
xma
tbit1 2
br k4in
a6aac
k4in : tcy 5
mnez
br exnum
calll ldata
exnum : bl blank
.rom @3
func : rbit 3
tcy 12
dman
br not_0
tcy 13
sbit 1
ynea
bl lock
not_0 : ldp 15
alec 0
br cler
ldp 6
alec 1
br trab
ldp 4
alec 2
br plus
alec 3
br mins
ldp 7
alec 4
br mult
divid : ldx 1
calll creg
d1 : calll sbaa
alec 0
br incc
tcy 0
trca : ldx 1
tma
ldx 0
tamiy
ynec 7
br trca
bl blank
incc : ldx 1
tcy 0
d2 : imac
tam
alec 9
br d1
tcmiy 0
br d2
.rom @4
plus : calll aaba
tob : bl blank
mins : calll sbaa
alec 0
br tob
calll creg
br tob
.rom @5
aaba : ldx 0
tcy 0
cla
ad1 : comx
amaac
comx
amaac
br gt9
alec 9
br lt10
gt9 : a6aac
tamza
ia
incy : iyc
ynec 7
br ad1
retn
lt10 : tamza
br incy
sbaa : ldx 0
tcy 0
cla
s1 : comx
amaac
comx
saman
br nobor
a10aac
tamza
ia
incys : iyc
ynec 7
br s1
retn
nobor : tamza
br incys
.rom @6
trac : tcy 0
t1 : ldx 0
tma
ldx 1
tamiy
ynec 7
br t1
retn
trab : ldx 3
tr0 : tcy 0
t2 : comx
tma
comx
tamiy
ynec 7
br t2
retn
bl blank
rshft : cla
tcy 6
r1 : xma
dyn
br r1
retn
.rom @7
mult : calll trac
tcmiy 6
ldx 0
calll creg
ml2 : ldx 1
tcy 7
tmy
dman
br nobr
tcy 7
dman
br ml1
bl blank
ml1 : tam
ldx 0
lshft : cla
ldata : tcy 0
l1 : xma
iyc
ynec 7
br l1
retn
br ml2
nobr : tam
calll aaba
br ml2
.rom @f
cla
tcy 0
ynea
cler : ldx 3
call creg
ldx 1
call creg
ldx 0
clall : tcy 7
br c1
creg : tcy 0
c1 : tcmiy 0
ynec 7
br c1
retn
blank : ldx 0
tcy 6
bl1 : mnez
br brlck
tcmiy 15
dyn
dyn
br bl1
brlck : bl lock
.symtab