prog8/compiler/test/arithmetic/mult.p8

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%import floats
%import textio
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%zeropage basicsafe
main {
sub start() {
mul_ubyte(0, 0, 0)
mul_ubyte(20, 1, 20)
mul_ubyte(20, 10, 200)
mul_byte(0, 0, 0)
mul_byte(10, 10, 100)
mul_byte(5, -5, -25)
mul_byte(0, -30, 0)
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mul_uword(0,0,0)
mul_uword(50000,1, 50000)
mul_uword(500,100,50000)
mul_word(0,0,0)
mul_word(-10,1000,-10000)
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mul_word(1,-3333,-3333)
mul_float(0,0,0)
mul_float(2.5,10,25)
mul_float(-1.5,10,-15)
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}
sub mul_ubyte(ubyte a1, ubyte a2, ubyte c) {
ubyte r = a1*a2
if r==c
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txt.print(" ok ")
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else
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txt.print("err! ")
txt.print("ubyte ")
txt.print_ub(a1)
txt.print(" * ")
txt.print_ub(a2)
txt.print(" = ")
txt.print_ub(r)
cbm.CHROUT('\n')
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}
sub mul_byte(byte a1, byte a2, byte c) {
byte r = a1*a2
if r==c
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txt.print(" ok ")
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else
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txt.print("err! ")
txt.print("byte ")
txt.print_b(a1)
txt.print(" * ")
txt.print_b(a2)
txt.print(" = ")
txt.print_b(r)
cbm.CHROUT('\n')
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}
sub mul_uword(uword a1, uword a2, uword c) {
uword r = a1*a2
if r==c
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txt.print(" ok ")
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else
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txt.print("err! ")
txt.print("uword ")
txt.print_uw(a1)
txt.print(" * ")
txt.print_uw(a2)
txt.print(" = ")
txt.print_uw(r)
cbm.CHROUT('\n')
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}
sub mul_word(word a1, word a2, word c) {
word r = a1*a2
if r==c
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txt.print(" ok ")
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else
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txt.print("err! ")
txt.print("word ")
txt.print_w(a1)
txt.print(" * ")
txt.print_w(a2)
txt.print(" = ")
txt.print_w(r)
cbm.CHROUT('\n')
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}
sub mul_float(float a1, float a2, float c) {
float r = a1*a2
if abs(r-c)<0.00001
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txt.print(" ok ")
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else
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txt.print("err! ")
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txt.print("float ")
floats.print_f(a1)
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txt.print(" * ")
floats.print_f(a2)
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txt.print(" = ")
floats.print_f(r)
cbm.CHROUT('\n')
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}
}