mirror of
https://github.com/irmen/prog8.git
synced 2024-11-20 03:32:05 +00:00
113 lines
2.6 KiB
Lua
113 lines
2.6 KiB
Lua
%import c64lib
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%import c64utils
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%import c64flt
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%zeropage basicsafe
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main {
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sub start() {
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minus_ubyte(0, 0, 0)
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minus_ubyte(200, 0, 200)
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minus_ubyte(200, 100, 100)
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minus_ubyte(100, 200, 156)
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minus_byte(0, 0, 0)
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minus_byte(100, 100, 0)
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minus_byte(50, -50, 100)
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minus_byte(0, -30, 30)
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minus_byte(-30, 0, -30)
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minus_uword(0,0,0)
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minus_uword(50000,0, 50000)
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minus_uword(50000,20000,30000)
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minus_uword(20000,50000,35536)
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minus_word(0,0,0)
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minus_word(1000,1000,0)
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minus_word(-1000,1000,-2000)
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minus_word(1000,500,500)
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minus_word(0,-3333,3333)
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minus_word(-3333,0,-3333)
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minus_float(0,0,0)
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minus_float(2.5,1.5,1.0)
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minus_float(-1.5,3.5,-5.0)
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}
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sub minus_ubyte(ubyte a1, ubyte a2, ubyte c) {
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ubyte r = a1-a2
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if r==c
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c64scr.print(" ok ")
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else
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c64scr.print("err! ")
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c64scr.print("ubyte ")
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c64scr.print_ub(a1)
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c64scr.print(" - ")
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c64scr.print_ub(a2)
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c64scr.print(" = ")
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c64scr.print_ub(r)
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c64.CHROUT('\n')
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}
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sub minus_byte(byte a1, byte a2, byte c) {
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byte r = a1-a2
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if r==c
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c64scr.print(" ok ")
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else
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c64scr.print("err! ")
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c64scr.print("byte ")
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c64scr.print_b(a1)
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c64scr.print(" - ")
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c64scr.print_b(a2)
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c64scr.print(" = ")
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c64scr.print_b(r)
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c64.CHROUT('\n')
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}
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sub minus_uword(uword a1, uword a2, uword c) {
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uword r = a1-a2
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if r==c
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c64scr.print(" ok ")
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else
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c64scr.print("err! ")
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c64scr.print("uword ")
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c64scr.print_uw(a1)
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c64scr.print(" - ")
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c64scr.print_uw(a2)
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c64scr.print(" = ")
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c64scr.print_uw(r)
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c64.CHROUT('\n')
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}
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sub minus_word(word a1, word a2, word c) {
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word r = a1-a2
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if r==c
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c64scr.print(" ok ")
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else
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c64scr.print("err! ")
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c64scr.print("word ")
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c64scr.print_w(a1)
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c64scr.print(" - ")
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c64scr.print_w(a2)
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c64scr.print(" = ")
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c64scr.print_w(r)
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c64.CHROUT('\n')
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}
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sub minus_float(float a1, float a2, float c) {
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float r = a1-a2
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if abs(r-c)<0.00001
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c64scr.print(" ok ")
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else
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c64scr.print("err! ")
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c64scr.print("float ")
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c64flt.print_f(a1)
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c64scr.print(" - ")
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c64flt.print_f(a2)
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c64scr.print(" = ")
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c64flt.print_f(r)
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c64.CHROUT('\n')
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}
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}
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