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https://github.com/zellyn/a2audit.git
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shasum: Longer tests, slightly shorter code
Added tests for 0x1ff- and 0x200-length inputs. Also changed code that sets k constants to use constant values, rather than copying, to save a few bytes.
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Zellyn Hunter
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37de1f5cac
commit
54710c10a0
@ -40,19 +40,19 @@ kh1: !be32 $EFCDAB89
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kh2: !be32 $98BADCFE
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kh3: !be32 $10325476
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kh4: !be32 $C3D2E1F0
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k1: !be32 $5A827999 ; k = constants
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k2: !be32 $6ED9EBA1
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k3: !be32 $8F1BBCDC
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k4: !be32 $CA62C1D6
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k1 = $5A827999 ; k constants
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k2 = $6ED9EBA1
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k3 = $8F1BBCDC
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k4 = $CA62C1D6
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!macro cp32 .source, .target {
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lda .source
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!macro set32 .target, .value {
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lda #<(.value >> 24)
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sta .target
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lda .source+1
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lda #<(.value >> 16)
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sta .target+1
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lda .source+2
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lda #<(.value >> 8)
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sta .target+2
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lda .source+3
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lda #<(.value)
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sta .target+3
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}
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@ -87,7 +87,7 @@ main:
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;; Test shasum ""
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lda #0
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sta INPUT
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lda #$ff
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lda #$fe
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sta INPUT+1
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lda #0
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sta LENGTH+1
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@ -102,14 +102,14 @@ main:
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lda #(h5-h0)
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jsr prbytes
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;; Test shasum ROM[:0x37]
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;; Test shasum FE00[:0x37]
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lda #0
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sta INPUT
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lda #$ff
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lda #$fe
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sta INPUT+1
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lda #0
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sta LENGTH+1
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lda #$37 ; 863ec5335a92b8289e4b1e5cbf646689fe81134b
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lda #$37 ; 1CF73FC6156B548A949D315120B5256245EAA33E
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sta LENGTH
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jsr shasum
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@ -120,14 +120,50 @@ main:
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lda #(h5-h0)
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jsr prbytes
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;; Test shasum ROM[:0x100]
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;; Test shasum FE00[:0x100]
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lda #0
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sta INPUT
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lda #$ff
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lda #$fe
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sta INPUT+1
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lda #1
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sta LENGTH+1
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lda #0 ; F0282F962EC20651431D385E813F6E0904F8F812
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lda #0 ; 7B3D05347B52210065E27054FDFD0B8B699F0965
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sta LENGTH
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jsr shasum
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; lda #$8d
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; jsr COUT
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+setSRC h0
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lda #(h5-h0)
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jsr prbytes
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;; Test shasum FE00[:0x1ff]
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lda #0
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sta INPUT
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lda #$fe
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sta INPUT+1
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lda #$1
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sta LENGTH+1
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lda #$ff ; 269CA6B0C644DAC01D908B20C10C0D5B19C52ABF
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sta LENGTH
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jsr shasum
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; lda #$8d
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; jsr COUT
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+setSRC h0
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lda #(h5-h0)
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jsr prbytes
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;; Test shasum FE00[:0x200]
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lda #0
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sta INPUT
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lda #$fe
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sta INPUT+1
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lda #2
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sta LENGTH+1
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lda #0 ; D5AC71D5EE76E31CC82CF5136151BF4CDA503601
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sta LENGTH
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jsr shasum
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@ -245,7 +281,7 @@ do_chunk:
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ldy #0 ; y is index into w
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;; First 20: k1
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+cp32 k1, k
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+set32 k, k1
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ldx #16
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- jsr kind1
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@ -257,7 +293,7 @@ do_chunk:
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dex
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bne -
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;; Second 20: k2
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+cp32 k2, k
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+set32 k, k2
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ldx #12
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- jsr kind2
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@ -270,7 +306,7 @@ do_chunk:
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bne -
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;; Third 20: k3
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+cp32 k3, k
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+set32 k, k3
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ldx #8
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- jsr kind3
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@ -283,7 +319,7 @@ do_chunk:
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bne -
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;; Fourth 20: k4
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+cp32 k4, k
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+set32 k, k4
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ldx #4
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- jsr kind2
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@ -8,7 +8,41 @@ import (
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"strings"
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)
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// 0xfe00 - 0xffff
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var rom = []byte{
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0xC6, 0x34, 0xF0, 0x9F, 0xCA, 0xD0, 0x16, 0xC9,
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0xBA, 0xD0, 0xBB, 0x85, 0x31, 0xA5, 0x3E, 0x91,
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0x40, 0xE6, 0x40, 0xD0, 0x02, 0xE6, 0x41, 0x60,
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0xA4, 0x34, 0xB9, 0xFF, 0x01, 0x85, 0x31, 0x60,
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0xA2, 0x01, 0xB5, 0x3E, 0x95, 0x42, 0x95, 0x44,
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0xCA, 0x10, 0xF7, 0x60, 0xB1, 0x3C, 0x91, 0x42,
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0x20, 0xB4, 0xFC, 0x90, 0xF7, 0x60, 0xB1, 0x3C,
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0xD1, 0x42, 0xF0, 0x1C, 0x20, 0x92, 0xFD, 0xB1,
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0x3C, 0x20, 0xDA, 0xFD, 0xA9, 0xA0, 0x20, 0xED,
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0xFD, 0xA9, 0xA8, 0x20, 0xED, 0xFD, 0xB1, 0x42,
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0x20, 0xDA, 0xFD, 0xA9, 0xA9, 0x20, 0xED, 0xFD,
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0x20, 0xB4, 0xFC, 0x90, 0xD9, 0x60, 0x20, 0x75,
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0xFE, 0xA9, 0x14, 0x48, 0x20, 0xD0, 0xF8, 0x20,
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0x53, 0xF9, 0x85, 0x3A, 0x84, 0x3B, 0x68, 0x38,
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0xE9, 0x01, 0xD0, 0xEF, 0x60, 0x8A, 0xF0, 0x07,
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0xB5, 0x3C, 0x95, 0x3A, 0xCA, 0x10, 0xF9, 0x60,
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0xA0, 0x3F, 0xD0, 0x02, 0xA0, 0xFF, 0x84, 0x32,
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0x60, 0xA9, 0x00, 0x85, 0x3E, 0xA2, 0x38, 0xA0,
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0x1B, 0xD0, 0x08, 0xA9, 0x00, 0x85, 0x3E, 0xA2,
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0x36, 0xA0, 0xF0, 0xA5, 0x3E, 0x29, 0x0F, 0xF0,
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0x06, 0x09, 0xC0, 0xA0, 0x00, 0xF0, 0x02, 0xA9,
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0xFD, 0x94, 0x00, 0x95, 0x01, 0x60, 0xEA, 0xEA,
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0x4C, 0x00, 0xE0, 0x4C, 0x03, 0xE0, 0x20, 0x75,
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0xFE, 0x20, 0x3F, 0xFF, 0x6C, 0x3A, 0x00, 0x4C,
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0xD7, 0xFA, 0x60, 0xEA, 0x60, 0xEA, 0xEA, 0xEA,
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0xEA, 0xEA, 0x4C, 0xF8, 0x03, 0xA9, 0x40, 0x20,
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0xC9, 0xFC, 0xA0, 0x27, 0xA2, 0x00, 0x41, 0x3C,
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0x48, 0xA1, 0x3C, 0x20, 0xED, 0xFE, 0x20, 0xBA,
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0xFC, 0xA0, 0x1D, 0x68, 0x90, 0xEE, 0xA0, 0x22,
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0x20, 0xED, 0xFE, 0xF0, 0x4D, 0xA2, 0x10, 0x0A,
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0x20, 0xD6, 0xFC, 0xD0, 0xFA, 0x60, 0x20, 0x00,
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0xFE, 0x68, 0x68, 0xD0, 0x6C, 0x20, 0xFA, 0xFC,
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0xA9, 0x16, 0x20, 0xC9, 0xFC, 0x85, 0x2E, 0x20,
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0xFA, 0xFC, 0xA0, 0x24, 0x20, 0xFD, 0xFC, 0xB0,
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0xF9, 0x20, 0xFD, 0xFC, 0xA0, 0x3B, 0x20, 0xEC,
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@ -51,6 +85,10 @@ func main() {
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fmt.Printf("%X\n", shasum(rom[:0x37]))
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fmt.Printf("%X\n", sha1.Sum(rom[:0x100]))
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// fmt.Printf("%X\n", shasum(rom[:0x100]))
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// fmt.Printf("%X\n", sha1.Sum(rom[:0x1ff]))
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fmt.Printf("%X\n", shasum(rom[:0x1ff]))
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// fmt.Printf("%X\n", sha1.Sum(rom[:0x200]))
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fmt.Printf("%X\n", shasum(rom[:0x200]))
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}
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func print40s(in []byte) {
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