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; %n - fp register n | |
; @n - int register n | |
; $n - lit int n | |
initial f32 top, left, bottom, right, 16.0f; | |
final f32 result[256]; | |
ld %0,$0 ; %0 = top | |
ld %1,$1 ; %1 = left | |
ld %2,$2 ; %2 = bottom | |
ld %3,$3 ; %3 = right | |
ld %4,$4 ; %4 = 16.0f | |
sub %2,%0 ; %2 = height (bottom - top) | |
sub %3,%1 ; %3 = width (right - left) | |
div %2,%4 ; %2 = height increase per iteration ((bottom - top)/16) | |
div %3,%4 ; %3 = width increase per iteration ((right - left)/16) | |
zero @0 ; @0 = output pointer | |
set @1,$16 ; @1 = iterations top-to-bottom | |
set @2,$16 ; @2 = iterations left-to-right | |
mov %4,%0 ; %4 = F_Y | |
L5: mov %5,%1 ; %5 = F_X | |
L6: set @3,$1 ; @3 = iteration count | |
L1: mov %6,%4 | |
mul %6,%6 | |
mov %7,%5 | |
mul %7,%7 | |
add %6,%7 | |
st @0,%2 | |
push @0 | |
ld1 %2 | |
add %2,%2 | |
add %2,%2 | |
lt @0,%6,%2 | |
sub %6,%7 | |
sub %6,%7 | |
jc @0,L2 | |
pop @0 | |
ld %2,@0 | |
ld0 %4 | |
ld1 %5 | |
L3: add %4,%5 | |
loop @3,L3 | |
st @0,%4 | |
jmp L7 | |
L2: pop @0 | |
ld %2,@0 | |
mov %7,%4 | |
add %7,%7 | |
mul %7,%5 | |
add %6,%0 | |
add %7,%1 | |
mov %4,%6 | |
mov %5,%7 | |
inc @3 | |
push @3 | |
cmp @3,$MAX_ITERATIONS | |
jc L4 | |
pop @3 | |
jmp L1 | |
L4: pop @3 | |
ld0 %4 | |
st @0,%4 | |
jmp L7 | |
L7: inc @0 | |
add %1,%3 | |
loop @2,L6 | |
set @2,$16 | |
L8: sub %1,%3 ; yikes! | |
loop @2,L8 | |
set @2,$16 | |
add %0,%2 | |
loop @1,L5 | |
halt |
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