prog8/examples/romfloats.p8
2020-03-13 00:50:30 +01:00

69 lines
1.3 KiB
Lua

%import c64flt
%zeropage basicsafe
%option enable_floats
main {
sub start() {
; these are all floating point constants defined in the ROM so no allocation required
c64flt.print_f(3.141592653589793)
c64.CHROUT('\n')
c64flt.print_f(-32768.0)
c64.CHROUT('\n')
c64flt.print_f( 1.0)
c64.CHROUT('\n')
c64flt.print_f(0.7071067811865476)
c64.CHROUT('\n')
c64flt.print_f(1.4142135623730951)
c64.CHROUT('\n')
c64flt.print_f( -0.5)
c64.CHROUT('\n')
c64flt.print_f(0.6931471805599453)
c64.CHROUT('\n')
c64flt.print_f(10.0)
c64.CHROUT('\n')
c64flt.print_f(1.0e9)
c64.CHROUT('\n')
c64flt.print_f(0.5)
c64.CHROUT('\n')
c64flt.print_f(1.4426950408889634)
c64.CHROUT('\n')
c64flt.print_f(1.5707963267948966)
c64.CHROUT('\n')
c64flt.print_f(6.283185307179586)
c64.CHROUT('\n')
c64flt.print_f(0.25)
c64.CHROUT('\n')
c64flt.print_f(0.0)
c64.CHROUT('\n')
check_eval_stack()
}
sub check_eval_stack() {
if X!=255 {
c64scr.print("stack x=")
c64scr.print_ub(X)
c64scr.print(" error!\n")
}
}
}