prog8/examples/arithmetic/remainder.p8
2020-03-13 00:52:52 +01:00

60 lines
1.3 KiB
Lua

%import c64lib
%import c64utils
%import c64flt
%zeropage basicsafe
main {
sub start() {
remainder_ubyte(0, 1, 0)
remainder_ubyte(100, 6, 4)
remainder_ubyte(255, 2, 1)
remainder_ubyte(255, 20, 15)
remainder_uword(0,1,0)
remainder_uword(40000,511,142)
remainder_uword(40000,500,0)
remainder_uword(43211,12,11)
check_eval_stack()
}
sub remainder_ubyte(ubyte a1, ubyte a2, ubyte c) {
ubyte r = a1%a2
if r==c
c64scr.print(" ok ")
else
c64scr.print("err! ")
c64scr.print("ubyte ")
c64scr.print_ub(a1)
c64scr.print(" % ")
c64scr.print_ub(a2)
c64scr.print(" = ")
c64scr.print_ub(r)
c64.CHROUT('\n')
}
sub remainder_uword(uword a1, uword a2, uword c) {
uword r = a1%a2
if r==c
c64scr.print(" ok ")
else
c64scr.print("err! ")
c64scr.print("uword ")
c64scr.print_uw(a1)
c64scr.print(" % ")
c64scr.print_uw(a2)
c64scr.print(" = ")
c64scr.print_uw(r)
c64.CHROUT('\n')
}
sub check_eval_stack() {
if X!=255 {
c64scr.print("x=")
c64scr.print_ub(X)
c64scr.print(" error!\n")
}
}
}