| 1 |
#!/usr/bin/perl |
| 2 |
|
| 3 |
use warnings; |
| 4 |
use strict; |
| 5 |
|
| 6 |
use blib; |
| 7 |
use lib './lib'; |
| 8 |
|
| 9 |
use Test::More tests => 280; |
| 10 |
use Test::Exception; |
| 11 |
use Data::Dump qw/dump/; |
| 12 |
|
| 13 |
BEGIN { |
| 14 |
use_ok( 'M6502' ); |
| 15 |
} |
| 16 |
|
| 17 |
cmp_ok( $debug, '==', 0, '$debug' ); |
| 18 |
cmp_ok( M6502::get_debug(), '==', 0, 'M6502::get_debug' ); |
| 19 |
cmp_ok( M6502->debug, '==', 0, 'M6502->debug' ); |
| 20 |
|
| 21 |
cmp_ok( M6502::set_debug( 1 ), '==', 1, 'M6502::set_debug'); |
| 22 |
cmp_ok( M6502::get_debug(), '==', 1, 'M6502::get_debug'); |
| 23 |
cmp_ok( $debug, '==', 0, '$debug still wrong'); |
| 24 |
|
| 25 |
cmp_ok( M6502->debug(1), '==', 1, 'M6502->debug(1)' ); |
| 26 |
cmp_ok( $debug, '==', 1, '$debug on' ); |
| 27 |
cmp_ok( M6502::get_debug(), '==', 1, 'get_debug on' ); |
| 28 |
cmp_ok( M6502->debug, '==', 1, 'M6502->debug on' ); |
| 29 |
|
| 30 |
cmp_ok( M6502->debug(0), '==', 0, 'M6502->debug(0)' ); |
| 31 |
cmp_ok( $debug, '==', 0, '$debug off' ); |
| 32 |
cmp_ok( M6502::get_debug(), '==', 0, 'get_debug off' ); |
| 33 |
cmp_ok( M6502->debug, '==', 0, 'M6502->debug off' ); |
| 34 |
|
| 35 |
M6502->debug( 1 ) if @ARGV; |
| 36 |
|
| 37 |
diag "debug: $debug"; |
| 38 |
|
| 39 |
cmp_ok( $PC, '==', 0xbeef, 'PC' ); |
| 40 |
|
| 41 |
ok( M6502::reset(), 'reset' ); |
| 42 |
|
| 43 |
cmp_ok( $PC, '==', 0xffff, 'PC' ); |
| 44 |
|
| 45 |
diag dump_R(); |
| 46 |
|
| 47 |
$PC = 0xdead; |
| 48 |
|
| 49 |
M6502::update_C_R(); |
| 50 |
|
| 51 |
$PC = 0xffff; |
| 52 |
|
| 53 |
M6502::update_perl_R(); |
| 54 |
|
| 55 |
cmp_ok( $PC, '==', 0xdead, 'PC' ); |
| 56 |
|
| 57 |
ok( M6502::reset(), 'reset again' ); |
| 58 |
|
| 59 |
cmp_ok( $PC, '==', 0xffff, 'PC' ); |
| 60 |
|
| 61 |
foreach my $byte ( 0x00, 0x01, 0xff, 0xaa, 0x00 ) { |
| 62 |
my $a = 0x1000 + $byte * 100; |
| 63 |
cmp_ok( M6502::_write($a,$byte), '==', $byte, 'M6502::_write' ); |
| 64 |
cmp_ok( $mem[$a], '==', $byte, '$mem' ); |
| 65 |
cmp_ok( M6502::_read($a), '==', $byte, 'M6502::_read' ); |
| 66 |
} |
| 67 |
|
| 68 |
my @flip_tests = ( |
| 69 |
{ fill => 0b11101101, expect => 0b10110111, callbacks => 0x33 }, |
| 70 |
{ fill => 0b11101101, expect => 0b10110111, callbacks => 0x22 }, |
| 71 |
{ fill => 0b11110000, expect => 0b00001111, callbacks => 0x11 }, |
| 72 |
{ fill => 0b11110011, expect => 0b11001111, callbacks => 0x00 }, |
| 73 |
); |
| 74 |
|
| 75 |
sub dump_callbacks { |
| 76 |
my $out = 'callbacks:'; |
| 77 |
$out .= sprintf(" %02x", M6502::get_callback( $_ )) foreach ( 0x6000 .. 0x6020 ); |
| 78 |
diag $out; |
| 79 |
} |
| 80 |
|
| 81 |
foreach my $test ( @flip_tests ) { |
| 82 |
|
| 83 |
diag "test ",dump( $test ); |
| 84 |
|
| 85 |
dump_callbacks; |
| 86 |
|
| 87 |
ok( M6502::reset(), 'reset again' ); |
| 88 |
is( M6502::set_all_callbacks( $test->{callbacks} ), $test->{callbacks}, 'set_all_callbacks' ); |
| 89 |
|
| 90 |
dump_callbacks; |
| 91 |
|
| 92 |
# manually hook callbacks |
| 93 |
if ( $test->{callbacks} == 0 ) { |
| 94 |
M6502::set_write_callback( $_ ) foreach ( 0x6000 .. 0x6010 ); |
| 95 |
} |
| 96 |
|
| 97 |
dump_callbacks; |
| 98 |
|
| 99 |
# flip bytes 6502 asm |
| 100 |
my $a = 0x1000; |
| 101 |
|
| 102 |
$mem[$a++] = $_ foreach ( |
| 103 |
0xa9, 0x60, 0xa2, 0x7f, 0xa0, 0x00, 0x85, 0xe1, |
| 104 |
0x84, 0xe0, 0xb1, 0xe0, 0x4a, 0x26, 0xe2, 0x4a, |
| 105 |
0x26, 0xe2, 0x4a, 0x26, 0xe2, 0x4a, 0x26, 0xe2, |
| 106 |
0x4a, 0x26, 0xe2, 0x4a, 0x26, 0xe2, 0x4a, 0x26, |
| 107 |
0xe2, 0x4a, 0x26, 0xe2, 0xa5, 0xe2, 0x91, 0xe0, |
| 108 |
0xc8, 0xd0, 0xdf, 0xe6, 0xe1, 0xe4, 0xe1, 0xb0, |
| 109 |
0xd9, 0x60, 0x00, |
| 110 |
); |
| 111 |
|
| 112 |
$mem[$_] = $test->{fill} foreach ( 0x6000 .. 0x7ffff ); |
| 113 |
|
| 114 |
diag dump_R(); |
| 115 |
$PC = 0x1000; |
| 116 |
|
| 117 |
ok( my $left = M6502::exec( 1 ), 'M6502::exec(1)' ); |
| 118 |
cmp_ok( $PC, '==', 0x1002, 'PC moved' ); |
| 119 |
cmp_ok( $left, '==', -1, 'no cycles left' ); |
| 120 |
|
| 121 |
ok( ! M6502::exec( 1000 ), 'M6502::exec' ); |
| 122 |
cmp_ok( $PC, '==', 0x1016, 'PC moved' ); |
| 123 |
|
| 124 |
foreach my $a ( 0x6000 .. 0x600c ) { |
| 125 |
cmp_ok( $mem[$a], '==', $test->{expect}, sprintf('flipped %04x %08b -> %08b',$a, $test->{fill}, $mem[$a]) ); |
| 126 |
cmp_ok( M6502::get_callback( $a ), '==', $test->{callbacks}, 'callback' ); |
| 127 |
} |
| 128 |
|
| 129 |
dump_callbacks; |
| 130 |
|
| 131 |
$PC = 0x1000; |
| 132 |
ok( M6502::exec( 1001 ), 'M6502::exec again' ); |
| 133 |
cmp_ok( $PC, '==', 0x1016, 'PC moved' ); |
| 134 |
|
| 135 |
foreach my $a ( 0x6000 .. 0x600c ) { |
| 136 |
cmp_ok( $mem[$a], '==', $test->{fill}, sprintf('flipped %04x %08b -> %08b',$a, $test->{fill}, $mem[$a]) ); |
| 137 |
cmp_ok( M6502::get_callback( $a ), '==', $test->{callbacks}, 'callback' ); |
| 138 |
} |
| 139 |
|
| 140 |
dump_callbacks; |
| 141 |
} |
Parent Directory
| 
Revision Log