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#!/usr/bin/perl |
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|
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use warnings; |
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use strict; |
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|
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use blib; |
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use lib './lib'; |
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|
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use Test::More tests => 236; |
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use Test::Exception; |
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use Data::Dump qw/dump/; |
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|
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BEGIN { |
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use_ok( 'M6502' ); |
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} |
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|
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cmp_ok( $debug, '==', 0, '$debug' ); |
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cmp_ok( M6502::get_debug(), '==', 0, 'M6502::get_debug' ); |
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cmp_ok( M6502->debug, '==', 0, 'M6502->debug' ); |
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|
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cmp_ok( M6502::set_debug( 1 ), '==', 1, 'M6502::set_debug'); |
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cmp_ok( M6502::get_debug(), '==', 1, 'M6502::get_debug'); |
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cmp_ok( $debug, '==', 0, '$debug still wrong'); |
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|
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cmp_ok( M6502->debug(1), '==', 1, 'M6502->debug(1)' ); |
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cmp_ok( $debug, '==', 1, '$debug on' ); |
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cmp_ok( M6502::get_debug(), '==', 1, 'get_debug on' ); |
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cmp_ok( M6502->debug, '==', 1, 'M6502->debug on' ); |
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|
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cmp_ok( M6502->debug(0), '==', 0, 'M6502->debug(0)' ); |
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cmp_ok( $debug, '==', 0, '$debug off' ); |
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cmp_ok( M6502::get_debug(), '==', 0, 'get_debug off' ); |
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cmp_ok( M6502->debug, '==', 0, 'M6502->debug off' ); |
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|
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M6502->debug( 1 ) if @ARGV; |
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|
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diag "debug: $debug"; |
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|
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cmp_ok( $PC, '==', 0xbeef, 'PC' ); |
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|
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ok( M6502::reset(), 'reset' ); |
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|
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cmp_ok( $PC, '==', 0xffff, 'PC' ); |
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|
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diag dump_R(); |
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|
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$PC = 0xdead; |
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|
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M6502::update_C_R(); |
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|
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$PC = 0xffff; |
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|
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M6502::update_perl_R(); |
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|
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cmp_ok( $PC, '==', 0xdead, 'PC' ); |
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|
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ok( M6502::reset(), 'reset again' ); |
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|
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cmp_ok( $PC, '==', 0xffff, 'PC' ); |
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|
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foreach my $byte ( 0x00, 0x01, 0xff, 0xaa, 0x00 ) { |
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my $a = 0x1000 + $byte * 100; |
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cmp_ok( M6502::_write($a,$byte), '==', $byte, 'M6502::_write' ); |
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cmp_ok( $mem[$a], '==', $byte, '$mem' ); |
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# is( M6502::mem_peek( $a ), $byte, 'M6502::mem_peek' ); |
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cmp_ok( M6502::_read($a), '==', $byte, 'M6502::_read' ); |
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} |
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|
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M6502::mem_poke( 0x2000, 0x42 ); |
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is( M6502::mem_peek( 0x2000 ), 0x42, 'mem_peek' ); |
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|
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ok( my $bytes = M6502::mem_peek_region( 0x2000, 0x200f ), 'mem_peek_region' ); |
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is( length($bytes), 0x10, 'correct size' ); |
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is( $bytes, pack("H*","42ffffffffffffffffffffffffffffff"), 'correct' ); |
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is( $bytes, pack('C*', M6502->ram( 0x2000, 0x200f )), 'M6502->ram' ); |
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|
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sub dump_callbacks { |
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my $out = 'callbacks:'; |
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$out .= sprintf(" %02x", M6502::get_callback( $_ )) foreach ( 0x6000 .. 0x6020 ); |
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diag join(' ',$out, @_); |
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} |
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|
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is( M6502::get_callback( 0x6000 ), 0x22, 'default callback 0x22' ); |
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is( M6502::set_all_callbacks( 0x42 ), 0x42, 'set_all_callbacks( 0x42 )' ); |
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is( M6502::get_callback( $_ ), 0x42, sprintf('get_callback %04x', $_) ) foreach ( 0, 1, 2, 3, 0x4000, 0x8000, 0xfffe, 0xffff ); |
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is( M6502::set_all_callbacks( 0 ), 0, 'set_all_callbacks( 0 )' ); |
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M6502::set_write_callback( 0x6000 ); |
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is( M6502::get_callback( 0x6000 ), 0x20, 'set_write_callback' ); |
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M6502::set_read_callback( 0x6000 ); |
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is( M6502::get_callback( 0x6000 ), 0x22, 'set_read_callback' ); |
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is( M6502::set_all_callbacks( 0xff ), 0xff, 'set_all_callbacks( 0xff )' ); |
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is( M6502::get_callback( 0 ), 0xff, 'get_callback' ); |
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ok( M6502::reset(), 'reset' ); |
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is( M6502::get_callback( 0 ), 0x22, 'reset restore default callback 0x22' ); |
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|
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my @flip_tests = ( |
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{ fill => 0b11101101, expect => 0b10110111 }, |
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{ fill => 0b11101101, expect => 0b10110111, callbacks => 0x22 }, |
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{ fill => 0b11110000, expect => 0b00001111, callbacks => 0x11 }, |
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{ fill => 0b11110011, expect => 0b11001111, callbacks => 0x01 }, |
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{ fill => 0b11110011, expect => 0b11001111, callbacks => 0x00 }, |
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); |
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|
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my $i = 1; |
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|
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foreach my $test ( @flip_tests ) { |
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|
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diag 'flip round ',$i++,' ',dump( $test ); |
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|
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ok( M6502::reset(), 'reset again' ); |
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dump_callbacks; |
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|
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is( M6502::set_all_callbacks( $test->{callbacks} ), $test->{callbacks}, sprintf('set_all_callbacks(0x%02x)',$test->{callbacks}) ) |
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if $test->{callbacks}; |
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dump_callbacks; |
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|
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# manually hook callbacks |
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M6502::set_write_callback( $_ ) foreach ( 0x6000 .. 0x6010 ); |
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dump_callbacks('after set_write_callback'); |
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|
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diag 'flip bytes 6502 asm'; |
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my @flip_asm = ( |
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0xa9, 0x60, 0xa2, 0x7f, 0xa0, 0x00, 0x85, 0xe1, |
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0x84, 0xe0, 0xb1, 0xe0, 0x4a, 0x26, 0xe2, 0x4a, |
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0x26, 0xe2, 0x4a, 0x26, 0xe2, 0x4a, 0x26, 0xe2, |
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0x4a, 0x26, 0xe2, 0x4a, 0x26, 0xe2, 0x4a, 0x26, |
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0xe2, 0x4a, 0x26, 0xe2, 0xa5, 0xe2, 0x91, 0xe0, |
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0xc8, 0xd0, 0xdf, 0xe6, 0xe1, 0xe4, 0xe1, 0xb0, |
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0xd9, 0x60, 0x00, |
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); |
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|
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my $a = 0x1000; |
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|
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$mem[$a++] = $_ foreach @flip_asm; |
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|
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is( |
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M6502::mem_peek_region( 0x1000, $a - 1 ), |
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pack('C*', @flip_asm), |
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'mem_peek_region' |
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); |
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|
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diag 'clean video ram'; |
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$mem[$_] = $test->{fill} foreach ( 0x6000 .. 0x7fff ); |
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|
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diag dump_R(); |
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$PC = 0x1000; |
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|
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ok( my $left = M6502::exec( 1 ), 'M6502::exec(1)' ); |
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cmp_ok( $PC, '==', 0x1002, 'PC moved' ); |
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cmp_ok( $left, '==', -1, 'no cycles left' ); |
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|
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ok( ! M6502::exec( 1000 ), 'M6502::exec' ); |
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cmp_ok( $PC, '==', 0x1016, 'PC moved' ); |
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|
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foreach my $a ( 0x6000 .. 0x600c ) { |
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cmp_ok( $mem[$a], '==', $test->{expect}, sprintf('flipped 1st %04x %08b -> %08b',$a, $test->{fill}, $mem[$a]) ); |
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} |
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|
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dump_callbacks; |
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|
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$PC = 0x1000; |
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ok( M6502::exec( 1001 ), 'M6502::exec again' ); |
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cmp_ok( $PC, '==', 0x1016, 'PC moved' ); |
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|
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foreach my $a ( 0x6000 .. 0x600c ) { |
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is( $mem[$a], $test->{fill}, sprintf('flipped 2nd %04x %08b -> %08b',$a, $test->{fill}, $mem[$a]) ); |
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} |
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|
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dump_callbacks; |
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} |
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