Interpolator example
9 times table:
9
18
27
36
45
54
63
72
81
90
Masking:
ACCUM0 = 1234abcd
Nibble 0: 0000000d
Nibble 1: 000000c0
Nibble 2: 00000b00
Nibble 3: 0000a000
Nibble 4: 00040000
Nibble 5: 00300000
Nibble 6: 02000000
Nibble 7: 10000000
Masking with sign extension:
Nibble 0: fffffffd
Nibble 1: ffffffc0
Nibble 2: fffffb00
Nibble 3: ffffa000
Nibble 4: 00040000
Nibble 5: 00300000
Nibble 6: 02000000
Nibble 7: 10000000
Lane result crossover:
PEEK0, POP1: 124, 456
PEEK0, POP1: 457, 124
PEEK0, POP1: 125, 457
PEEK0, POP1: 458, 125
PEEK0, POP1: 126, 458
PEEK0, POP1: 459, 126
PEEK0, POP1: 127, 459
PEEK0, POP1: 460, 127
PEEK0, POP1: 128, 460
PEEK0, POP1: 461, 128
Simple blend 1:
500
582
666
748
832
914
998
Simple blend 2:
signed:
-1000
-672
-336
-8
328
656
992
unsigned:
0xfffffc18
0xd5fffd60
0xaafffeb0
0x80fffff8
0x56000148
0x2c000290
0x010003e0
Simple blend 3:
0x00004000
0x0000e800
0xffffe800
Clamp:
-1024 0
-768 0
-512 0
-256 0
0 0
256 64
512 128
768 192
1024 255
Linear interpolation:
0 (0% between 0 and 10)
2 (25% between 0 and 10)
5 (50% between 0 and 10)
7 (75% between 0 and 10)
10 (0% between 10 and -20)
2 (25% between 10 and -20)
-5 (50% between 10 and -20)
-13 (75% between 10 and -20)
-20 (0% between -20 and -1000)
-265 (25% between -20 and -1000)
-510 (50% between -20 and -1000)
-755 (75% between -20 and -1000)
-1000 (0% between -1000 and 500)
-625 (25% between -1000 and 500)
-250 (50% between -1000 and 500)
125 (75% between -1000 and 500)
Linear interpolation 2:
0 (0% between 0 and 10)
1 (12% between 0 and 10)
2 (25% between 0 and 10)
3 (37% between 0 and 10)
5 (50% between 0 and 10)
6 (62% between 0 and 10)
7 (75% between 0 and 10)
8 (87% between 0 and 10)
10 (0% between 10 and -20)
6 (12% between 10 and -20)
2 (25% between 10 and -20)
-2 (37% between 10 and -20)
-5 (50% between 10 and -20)
-9 (62% between 10 and -20)
-13 (75% between 10 and -20)
-17 (87% between 10 and -20)
-20 (0% between -20 and -1000)
-143 (12% between -20 and -1000)
-265 (25% between -20 and -1000)
-388 (37% between -20 and -1000)
-510 (50% between -20 and -1000)
-633 (62% between -20 and -1000)
-755 (75% between -20 and -1000)
-878 (87% between -20 and -1000)
-1000 (0% between -1000 and 500)
-813 (12% between -1000 and 500)
-625 (25% between -1000 and 500)
-438 (37% between -1000 and 500)
-250 (50% between -1000 and 500)
-63 (62% between -1000 and 500)
125 (75% between -1000 and 500)
312 (87% between -1000 and 500)
Affine Texture mapping (with texture wrap):
0x00
0x00
0x01
0x01
0x12
0x12
0x13
0x23
0x20
0x20
0x31
0x31
An actual test harness (an interpolator.spec.ts) will be added in a later PR.
This PR fixes the interpolator so that the SDK examples work correctly:
Project: https://wokwi.com/projects/330762714449183315
Now correctly produces:
An actual test harness (an
interpolator.spec.ts) will be added in a later PR.