prog8/examples/arithmetic/div.p8

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2019-08-05 19:01:41 +00:00
%import c64lib
%import c64utils
%import c64flt
%zeropage basicsafe
main {
sub start() {
div_ubyte(0, 1, 0)
div_ubyte(100, 6, 16)
div_ubyte(255, 2, 127)
div_byte(0, 1, 0)
div_byte(100, -6, -16)
div_byte(127, -2, -63)
div_uword(0,1,0)
div_uword(40000,500,80)
div_uword(43211,2,21605)
div_word(0,1,0)
div_word(-20000,500,-40)
div_word(-2222,2,-1111)
div_float(0,1,0)
div_float(999.9,111.0,9.008108108108107)
}
sub div_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 div_byte(byte a1, byte a2, byte c) {
byte r = a1/a2
if r==c
c64scr.print(" ok ")
else
c64scr.print("err! ")
c64scr.print("byte ")
c64scr.print_b(a1)
c64scr.print(" / ")
c64scr.print_b(a2)
c64scr.print(" = ")
c64scr.print_b(r)
c64.CHROUT('\n')
}
sub div_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 div_word(word a1, word a2, word c) {
word r = a1/a2
if r==c
c64scr.print(" ok ")
else
c64scr.print("err! ")
c64scr.print("word ")
c64scr.print_w(a1)
c64scr.print(" / ")
c64scr.print_w(a2)
c64scr.print(" = ")
c64scr.print_w(r)
c64.CHROUT('\n')
}
sub div_float(float a1, float a2, float c) {
float r = a1/a2
if abs(r-c)<0.00001
c64scr.print(" ok ")
else
c64scr.print("err! ")
c64scr.print("float ")
c64flt.print_f(a1)
c64scr.print(" / ")
c64flt.print_f(a2)
c64scr.print(" = ")
c64flt.print_f(r)
c64.CHROUT('\n')
}
}