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158 lines
6.6 KiB
C
158 lines
6.6 KiB
C
#include <criterion/criterion.h>
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#include "apple2.dd.h"
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#include "apple2.enc.h"
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#include "vm_segment.h"
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/*
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* A sector fixture; something we can use when testing sector encoding
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* and decoding. This is the unencoded form of a sector, in 256 bytes.
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*/
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static vm_8bit f_sector[] = {
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0xdd, 0xab, 0xce, 0xd9, 0xc3, 0xf6, 0xdd, 0x77, 0x0e, 0x60, 0x6d, 0x95, 0xbd, 0xe3, 0x74, 0xc0,
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0xd4, 0xa7, 0x3f, 0xc2, 0x39, 0x37, 0xfa, 0xa7, 0xd1, 0xa9, 0xc9, 0x5e, 0xd3, 0x28, 0x47, 0x04,
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0x4f, 0xec, 0xfc, 0xc1, 0x5e, 0x90, 0x9a, 0x7d, 0x72, 0x36, 0xd0, 0x23, 0x90, 0xe5, 0x18, 0xeb,
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0x8a, 0x80, 0xad, 0xda, 0x85, 0xe4, 0xe3, 0x34, 0x72, 0x5c, 0x51, 0x18, 0xf0, 0xec, 0x3f, 0xcf,
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0xf7, 0xc1, 0x61, 0xe7, 0xad, 0x78, 0xea, 0x8a, 0xa1, 0x53, 0xbc, 0x05, 0x06, 0x77, 0x40, 0xb1,
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0xfb, 0x21, 0xf4, 0xec, 0x7a, 0xd3, 0xee, 0xcd, 0x99, 0xfa, 0x95, 0x39, 0xf8, 0xe8, 0x2d, 0xf5,
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0x40, 0x1a, 0x68, 0x0b, 0x7e, 0x96, 0x4c, 0x05, 0x03, 0x74, 0xa9, 0xca, 0x1d, 0x30, 0xf0, 0x96,
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0x7d, 0xe9, 0x24, 0xca, 0x6b, 0x09, 0x50, 0x69, 0x35, 0xe0, 0x1b, 0xd8, 0xfb, 0x62, 0x47, 0xe6,
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0x6a, 0xad, 0x3a, 0xd2, 0x5c, 0xe6, 0xda, 0x5f, 0x62, 0xfb, 0x02, 0x61, 0x2b, 0x42, 0x7a, 0x44,
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0xa2, 0x2f, 0x97, 0xe5, 0x08, 0xc7, 0xf6, 0xe1, 0x7a, 0xd6, 0x6a, 0xc0, 0x11, 0xd6, 0xa4, 0x26,
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0xac, 0xe4, 0xfb, 0xf3, 0x28, 0x8a, 0x3b, 0x1b, 0x4c, 0x9c, 0x84, 0x55, 0x73, 0x4b, 0x4f, 0xc1,
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0x0a, 0xd8, 0x9e, 0xdc, 0x1b, 0x01, 0xec, 0x12, 0x41, 0x84, 0x15, 0x8c, 0xb9, 0x29, 0x5f, 0x34,
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0x99, 0x3e, 0x3b, 0xa8, 0xcf, 0x7c, 0x65, 0x6f, 0x60, 0x45, 0x73, 0xe4, 0xea, 0x84, 0x84, 0x8b,
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0xaa, 0x46, 0x72, 0xbc, 0xd2, 0x65, 0xbe, 0x5b, 0x2d, 0x24, 0xd6, 0x41, 0x88, 0xd0, 0x6a, 0x80,
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0x1e, 0x22, 0x7a, 0x44, 0x70, 0x17, 0x44, 0x18, 0x1f, 0x31, 0x41, 0xf5, 0xa0, 0xae, 0x1b, 0xe1,
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0x4f, 0x9f, 0xdb, 0x5a, 0x74, 0x90, 0x55, 0xe1, 0x49, 0xbf, 0x2d, 0x20, 0xd6, 0x03, 0x03, 0xa2,
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};
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/*
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* This is the 6-and-2 encoded form of the f_sector array above. It does
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* _not_ include the sector header, which is tested in a separate
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* function.
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*/
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static vm_8bit f_enc_sector[] = {
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0xd5, 0xaa, 0xad, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xf5, 0xaf, 0x9a, 0xd3, 0xfd, 0xb6, 0xcb,
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0xb5, 0xfa, 0xb5, 0xe6, 0xb9, 0xf3, 0xea, 0xe7, 0xd6, 0xdb, 0xad, 0xb9, 0xfe, 0xe7, 0xfd, 0xeb,
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0xfa, 0xee, 0xf3, 0xe9, 0xb7, 0xfa, 0xde, 0xcb, 0xf6, 0xcb, 0xcb, 0x96, 0xfa, 0xec, 0xaf, 0xaf,
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0xcb, 0xcb, 0xf7, 0xee, 0xec, 0xd3, 0xd9, 0xbb, 0xf6, 0xd9, 0xab, 0xbf, 0xcb, 0xcb, 0xb2, 0xa6,
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0xcb, 0x97, 0xf4, 0xf5, 0xac, 0xed, 0xb9, 0xad, 0xae, 0xdf, 0xce, 0xe9, 0xb5, 0xb5, 0x9f, 0xab,
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0xe9, 0xbc, 0x9e, 0xde, 0x9a, 0xb3, 0xb6, 0xd3, 0xdd, 0xbe, 0xd7, 0xb2, 0xd6, 0xb5, 0xac, 0xfc,
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0xce, 0xbe, 0x9e, 0x9f, 0xaf, 0xac, 0xe6, 0xcf, 0xcb, 0x9b, 0xfe, 0xac, 0xbc, 0xdc, 0xea, 0x9e,
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0xcd, 0xdd, 0xff, 0xfe, 0x9b, 0xf2, 0xbc, 0xce, 0xcf, 0xbd, 0xdc, 0xda, 0xfe, 0xcb, 0xb4, 0xb6,
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0xdf, 0x9d, 0xb3, 0xde, 0xf2, 0x9a, 0xf9, 0x9b, 0xb5, 0xf9, 0xfc, 0xe9, 0xce, 0xff, 0xfc, 0xbd,
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0x9a, 0xad, 0xce, 0xbc, 0xbd, 0x97, 0xf4, 0xb5, 0xad, 0x9b, 0xb6, 0xfa, 0xa6, 0xf3, 0xfc, 0xb2,
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0xaf, 0xdf, 0xd7, 0xb6, 0xf4, 0xdb, 0xbd, 0xac, 0xfc, 0xfb, 0xeb, 0x96, 0xcd, 0xaf, 0xfc, 0xb6,
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0xf5, 0xf4, 0x9f, 0xdc, 0xe6, 0xb3, 0xa7, 0xba, 0xbd, 0xcb, 0xe7, 0xed, 0x9d, 0xee, 0xf5, 0xea,
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0xbb, 0xcd, 0xbd, 0xce, 0xfa, 0xf5, 0xb6, 0x97, 0xce, 0xf6, 0xbd, 0xf4, 0xad, 0xed, 0xbe, 0xfa,
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0xdc, 0xf2, 0xfb, 0xdf, 0xbd, 0xbb, 0xb2, 0xbc, 0xf4, 0xfe, 0xed, 0xa7, 0xdd, 0xab, 0xdf, 0xda,
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0xee, 0xdc, 0xfa, 0xda, 0xeb, 0xb3, 0xd7, 0xb3, 0xdd, 0xfe, 0xbd, 0xb6, 0xbf, 0xb2, 0xb3, 0xf9,
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0xda, 0xeb, 0xcd, 0xfb, 0xf2, 0xae, 0x9e, 0xdd, 0xe7, 0xec, 0xe6, 0xf3, 0xee, 0xcd, 0xd6, 0xd9,
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0xb6, 0xa6, 0x9a, 0xf5, 0xdf, 0xe9, 0xa7, 0xba, 0xf3, 0x9f, 0xf3, 0xab, 0xb2, 0x97, 0xda, 0xef,
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0xf3, 0xb5, 0xb4, 0xee, 0x9f, 0xfb, 0xff, 0xb9, 0xee, 0xdb, 0xdd, 0xaf, 0xdb, 0xce, 0xbf, 0xe7,
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0xe5, 0x97, 0xdb, 0xbe, 0xe9, 0x9f, 0x9a, 0x9b, 0xab, 0xaf, 0xdc, 0x9b, 0xcb, 0x96, 0x9b, 0xa7,
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0xfb, 0xaf, 0xf2, 0xcb, 0xea, 0xf5, 0xf9, 0xce, 0x9a, 0xfc, 0xdc, 0xef, 0xbb, 0xeb, 0xfa, 0xde,
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0xb3, 0xbb, 0xb3, 0xaf, 0xbe, 0xb9, 0xbc, 0x97, 0xad, 0xcd, 0xea, 0xba, 0x9b, 0xea, 0xfe, 0xe7,
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0xf3, 0xb5, 0xd6, 0xad, 0xf9, 0xee, 0xea, 0xe6, 0xfd, 0xdb, 0x9b, 0xfd, 0xf4, 0x96, 0xdf, 0xdf,
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0xde, 0xaa, 0xeb, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
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};
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static vm_segment *seg;
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static void
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setup()
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{
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seg = vm_segment_create(_140K_);
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}
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static void
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teardown()
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{
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vm_segment_free(seg);
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}
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TestSuite(apple2_enc, .init = setup, .fini = teardown);
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Test(apple2_enc, dos)
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{
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vm_segment *enc;
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FILE *fp = fopen("../../build/karateka.dsk", "r");
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vm_segment_fread(seg, fp, 0, _140K_);
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enc = apple2_enc_dos(seg);
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cr_assert_neq(enc, NULL);
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fclose(fp);
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vm_segment_free(enc);
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}
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Test(apple2_enc, 4n4)
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{
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int off = 0;
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off += apple2_enc_4n4(seg, off, 230);
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cr_assert_eq(off, 2);
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cr_assert_eq(vm_segment_get(seg, 0), 251);
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cr_assert_eq(vm_segment_get(seg, 1), 238);
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off += apple2_enc_4n4(seg, off, 123);
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cr_assert_eq(off, 4);
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cr_assert_eq(vm_segment_get(seg, 2), 191);
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cr_assert_eq(vm_segment_get(seg, 3), 251);
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}
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Test(apple2_enc, sector_header)
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{
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apple2_enc_sector_header(seg, 0, 1, 2);
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// Check if the prologue is there
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cr_assert_eq(vm_segment_get(seg, 0), 0xd5);
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cr_assert_eq(vm_segment_get(seg, 1), 0xaa);
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cr_assert_eq(vm_segment_get(seg, 2), 0x96);
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// 4n4 of ENC_VOLUME
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cr_assert_eq(vm_segment_get(seg, 3), 0xff);
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cr_assert_eq(vm_segment_get(seg, 4), 0xfe);
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// 4n4 of the track
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cr_assert_eq(vm_segment_get(seg, 5), 0xaa);
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cr_assert_eq(vm_segment_get(seg, 6), 0xab);
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// 4n4 of the sector
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cr_assert_eq(vm_segment_get(seg, 7), 0xab);
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cr_assert_eq(vm_segment_get(seg, 8), 0xaa);
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// 4n4 of the XOR (volume ^ track ^ sector)
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cr_assert_eq(vm_segment_get(seg, 9), 0xfe);
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cr_assert_eq(vm_segment_get(seg, 10), 0xff);
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// Check if the prologue is there
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cr_assert_eq(vm_segment_get(seg, 11), 0xde);
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cr_assert_eq(vm_segment_get(seg, 12), 0xaa);
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cr_assert_eq(vm_segment_get(seg, 13), 0xeb);
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}
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Test(apple2_enc, sector)
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{
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vm_segment *dest = vm_segment_create(1000);
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int i, len;
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vm_segment_copy_buf(seg, f_sector, 0, 0, 256);
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len = apple2_enc_sector(dest, seg, 0, 0);
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// The number of bytes (343, plus the self-sync, prologue/epilogue,
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// etc. etc.)
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cr_assert_eq(len, 382);
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// Let's see if the bytes equal what we expect for our sector
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// fixture
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for (i = 0; i < 382; i++) {
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cr_assert_eq(vm_segment_get(dest, i), f_enc_sector[i]);
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}
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}
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