ref: c4fb5591eeddd2baad12fc32400dfea2bdd20fcf
dir: /test/asm/string-formatting.asm/
n equ 300
m equ -42
f equ -123.0456
s equs "hello"
printt "<{ -6d:n}> <{+06u:n}> <{5x:n}> <{#16b:n}>\n"
printt "<{u:m}> <{+3d:m}> <{#016o:m}>\n"
printt "<{f:_PI}> <{06f:f}> <{.10f:f}>\n"
printt "<{#-10s:s}> <{10s:s}>\n"
foo: macro
printt "<{\1}>\n"
endm
foo -6d:n ; space is trimmed