適当にやったので後は自分で工夫してみて下さい
#define WM_COMMAND $111
oncmd gosub *ON_COMMAND, WM_COMMAND
sdim value,, 3
input value(0), 70, 22
input value(1), 70, 22
input value(2), 70, 22
repeat 10
button gosub str(cnt), *INP
objskip stat, 3
loop
button gosub "BS", *INP
objskip stat, 3
objsel 0
stop
*ON_COMMAND
objsel -1
if (stat > -1) && (stat < 3) {
obj_id = stat
}
return
*INP
objsel -1
Num = stat - 3
if Num < 0 : return
if Num = 10 {
if strlen (value(obj_id)) {
value(obj_id) = strmid (value(obj_id), 0, strlen (value(obj_id)) - 1)
}
} else {
value(obj_id) + str (Num)
}
objprm obj_id, value(obj_id)
return