assemblerTest.psm

;Examples of the assembly syntax:
address 0
;Data directives...
beginningOfDataDirectives: ;Label
load s0, s1
load s1, 14'd / 2
star s2, s3
star s3, 1 + 2 * 3
namereg sf, stack_pointer ;Preprocessor
store s4, (stack_pointer)
store s5, FF
fetch s6, (sa)
fetch s7, A
input s8, (sb)
input s9, (1 + 2) * 3
output sa, (sc)
output sa, -1 + 15'd / 2
constant eight, 15'd/2 ;Rounding
outputk eight, a
jump endOfDataDirectives
regbank a
regbank B
endOfDataDirectives: hwbuild se
jump beginningOfDataDirectives
;Conditional jumps...
beginningOfConditionalJumps:
jump z,beginningOfConditionalJumps
jump nZ,beginningOfConditionalJumps
jump C,beginningOfConditionalJumps
jump Nc,beginningOfConditionalJumps
;Setting the program counter (PC)...
jump@(sD,sE)
;The "call" instruction...
call function
call z,function
call nz,function
call c, function
call nc, function
call@ (sA,sb)
;Various "return" statements...
function:
return
return z
return nz
return c
return nc
;Arithmetic and logical operators...
add s0,s1
add s2,5+10'd/2
addcy s3,s4
addc s5,3+12'd/2+1
sub s6,S7
sub s8,ff
subc s9,sa
subcy sb,a+b
and sc,sd
and se,ff
or sf,se
or SE,00
xor sf,se
xor SE,00
test sc,sd
test se,ff
testcy sc,sd
testc se,ff
compare s0,stack_pointer
comp s1,eight
comparecy s0,stack_pointer
compcy s1,eight
;Bitwise operators...
sl0 s0
sl1 s1
slx s2
sla s3
rl s4
sr0 s5
sr1 s6
srx s7
sra s8
rr s9
;Interrupts...
Disable interrupt
Enable InterrupT