28 lines
1.1 KiB
Plaintext
28 lines
1.1 KiB
Plaintext
; This part of the file just dumps out $00-$0F repeatedly with
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; different forms, bracketed by $00s and then $60s.
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.advance $10, ^
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.byte 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
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.word 256, $0302, $0504, $0706, $0908, $0b0a, $0d0c, $0f0e
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.dword $03020100, $07060504, $0b0a0908, $0f0e0d0c
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.wordbe 1, $0203, $0405, $0607, $0809, $0a0b, $0c0d, $0e0f
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.dwordbe $010203, $04050607, $08090a0b, $0c0d0e0f
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.advance $70, ^
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; To verify that that these numbers match up, we use the following
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; BASIC program, which works on both the C64 and the VIC-20.
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; 10 clr:v=0:pv=peek(45)+256*peek(46)+2
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; 20 input "convert what";v
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; 30 for i=0 to 4:print peek(pv+i);:next i
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; 40 print:if v<>0 then 10
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.cbmfloat "0.0", "0.125","9.8","90","100","180"
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; The program tells us that these are the right answers.
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; We'd like to test more exotic choices like the 4.3e12 or what have you,
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; but the fact that these are two different kinds of floating point
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; results in slight variations at the very bottom of the mantissa.
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; caveat emptor.
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; .byte 0,0,0,0,0,126,0,0,0,0,132,28,204,204,204,135,52,0,0,0
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; .byte 135,72,0,0,0,136,52,0,0,0
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