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145 lines
3.4 KiB
Plaintext
145 lines
3.4 KiB
Plaintext
; floating point tests
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%output prg, basic
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%import "c64lib"
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~ main_testing {
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start
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var .float myfloat1 = 1234.56789
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var .float myfloat2 = 9876.54321
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var .float myfloatneg1 = -555.666
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var .float myfloat_large1 = 987654.1111
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var .float myfloat_large2 = -123456.2222
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var .text myfloatstr = "1234.998877"
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var .float myfloatzero = 0
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var .float myfloatsmall1 = 1.234
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var .float myfloatsmall2 = 2.6677
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return
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}
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~ main {
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var .float flt_pi = 3.141592653589793
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var .float flt_minus32768 = -32768
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var .float flt_1 = 1
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var .float flt_half_sqr2 = 0.7071067811865476
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var .float flt_sqr2 = 1.4142135623730951
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var .float flt_minus_half = -.5
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var .float flt_log_2 = 0.6931471805599453
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var .float flt_10 = 10
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var .float flt_1e9 = 1000000000
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var .float flt_half = .5
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var .float flt_one_over_log_2 = 1.4426950408889634
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var .float flt_half_pi = 1.5707963267948966
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var .float flt_double_pi = 6.283185307179586
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var .float flt_point25 = .25
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var .float my_float
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memory .word some_address = $ccdd
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memory .byte some_addressb = $ccee
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var .byte bytevar = $cc
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var .word wordvar = $cdef
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sub printflt (float: AY) -> (?) {
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c64.MOVFM!(AY)
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goto c64.FPRINTLN
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; c64.FOUT!()
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; c64scr.print_string!(AY)
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;goto c64.CHROUT('\n')
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}
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start
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; assign some float values to the memory
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AY = #flt_pi
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some_address = # flt_pi
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some_address = 4123.2342342222
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[$c000.word] = # flt_pi
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my_float ++
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my_float += 1
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my_float += 0.5
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my_float += 999.222
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my_float --
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my_float -= 1
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my_float -= 0.5
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my_float -= 999.222
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; print some floating points from source and compare them with ROM
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printflt(#flt_pi)
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printflt(#c64.FL_PIVAL)
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printflt(#flt_minus32768)
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printflt(#c64.FL_N32768)
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printflt(#flt_1)
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printflt(#c64.FL_FONE)
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printflt(#flt_half_sqr2)
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printflt( # c64.FL_SQRHLF)
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printflt(#flt_sqr2)
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printflt(#c64.FL_SQRTWO)
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printflt(#flt_minus_half)
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printflt(#c64.FL_NEGHLF)
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printflt(#flt_log_2)
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printflt(#c64.FL_LOG2)
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printflt(#flt_10)
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printflt(#c64.FL_TENC)
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printflt(#flt_1e9)
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printflt(#c64.FL_NZMIL)
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printflt(#flt_half)
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printflt(#c64.FL_FHALF)
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printflt(#flt_one_over_log_2)
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printflt(#c64.FL_LOGEB2)
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printflt(#flt_half_pi)
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printflt(#c64.FL_PIHALF)
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printflt(#flt_double_pi)
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printflt(#c64.FL_TWOPI)
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printflt(# flt_point25)
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printflt(#c64.FL_FR4)
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reg_to_float
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c64.CHROUT!('\n')
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A=33
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X=44
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Y=55
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my_float = A
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printflt(#my_float)
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my_float = X
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printflt(#my_float)
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my_float = Y
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printflt(#my_float)
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XY = 11122
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my_float = XY
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printflt(#my_float)
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AX = 33344
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my_float = AX
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printflt(#my_float)
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AY = 55566
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my_float = AY
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printflt(#my_float)
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return
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}
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