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#!/usr/bin/perl |
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|
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use strict; |
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use warnings; |
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|
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use Orao; |
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use Carp; |
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use Data::Dump qw/dump/; |
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|
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use SDL::App; |
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use SDL::Rect; |
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use SDL::Color; |
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|
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my $debug = shift @ARGV; |
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$debug = 1; |
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|
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my $scale = 2; |
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my $show_mem = 1; |
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|
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my $app = SDL::App->new( |
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-width => 256 * $scale + ( $show_mem ? 256 : 0 ), |
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-height => 256 * $scale, |
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-depth => 16, |
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); |
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|
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$app->grab_input( 0 ); |
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|
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my $white = SDL::Color->new( -r => 0xff, -g => 0xff, -b => 0xff ); |
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my $black = SDL::Color->new( -r => 0x80, -g => 0x80, -b => 0x80 ); |
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|
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my $red = SDL::Color->new( -r => 0xff, -g => 0x00, -b => 0x00 ); |
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my $green = SDL::Color->new( -r => 0x00, -g => 0xff, -b => 0x00 ); |
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my $blue = SDL::Color->new( -r => 0x00, -g => 0x00, -b => 0xff ); |
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|
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sub p { |
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my ($x,$y,$w) = (@_); |
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|
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my $rect = SDL::Rect->new( |
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-height => $scale, |
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-width => $scale, |
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-x => $x, |
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-y => $y, |
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); |
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|
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$app->fill( $rect, $w ? $white : $black ); |
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$app->update( $rect ); |
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} |
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|
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my $stat; |
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|
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my @vram = (0) x 0x2000; |
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|
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my $orao = new Orao({ |
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vram => sub { |
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my ( $offset, $byte ) = @_; |
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my $x = $offset & 0xff; |
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my $y = $offset >> 8; |
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my $mask = 1; |
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my $changed = $vram[$offset] ^ $byte; |
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|
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foreach ( 0 .. 7 ) { |
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next if $changed & $mask; |
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p($x + $_,$y, $byte & $mask ); |
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$mask = $mask << 1; |
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} |
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}, |
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mem_acc => sub { |
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my ( $offset, $what, $value ) = @_; |
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my $x = $offset & 0xff; |
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$x += 256 * $scale; |
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my $y = $offset >> 8; |
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#warn "mem_acc $offset $x $y\n"; |
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|
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my ( $r,$g,$b ) = ( 128,128,128 ); |
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|
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if ( $what eq 'write' ) { |
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$r = $value; |
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} elsif ( $what eq 'read' ) { |
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$g = $value; |
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} else { |
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$b = $value; |
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} |
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|
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my $col = SDL::Color->new( -r => $r, -g => $g, -b => $b ); |
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$app->pixel( $x, $y, $col ); |
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|
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$stat->{$what}++; |
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if ( $stat->{$what} % 10000 == 0 ) { |
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warn "."; |
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$app->sync; |
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} |
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}, |
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}); |
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|
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my ($pc, $a, $x, $y, $s, $p) = (0) x 6; |
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$orao->load_rom('rom/BAS12.ROM', 0xC000); |
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$orao->load_rom('rom/CRT12.ROM', 0xE000); |
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#$orao->load_rom('dump/basic.dmp', -2); |
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|
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$pc = 0xDD11; # BC |
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#$pc = 0xC274; # MC |
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|
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#$orao->load_rom('makewav/SCRINV.BIN', 0x1000); |
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#$pc = 0x1000; |
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|
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$orao->load_rom('dump/64k.bin', 0); |
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#$pc = 0xe5b7; |
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|
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my $rect = SDL::Rect->new( |
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-height => 256, |
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-width => 256, |
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-x => 256 * $scale, |
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-y => 0, |
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); |
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|
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$app->fill( $rect, $white ); |
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$app->update( $rect ); |
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|
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warn "rendering memory map\n"; |
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for my $a ( 0x0000 .. 0xffff ) { |
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$orao->read_8( $a ); |
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} |
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|
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$orao->set_pc( $pc ); |
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$orao->set_a( $a ); |
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$orao->set_x( $x ); |
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$orao->set_y( $y ); |
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$orao->set_s( $s ); |
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$orao->set_p( $p ); |
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|
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printf "starting emulation -- pc: %04x a:%d x:%d y:%d s:%d p:%d\n", $pc, $a, $x, $y, $s, $p; |
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|
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my $c = 0; |
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|
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sub hexdump { |
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my $a = shift; |
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return sprintf "%04x: %08x %08x %08x %08x\n", $a, map { $orao->read_32( $a + $_ ) } ( 0, 4, 8, 12 ); |
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} |
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|
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my $last; |
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|
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sub prompt { |
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my $a = shift; |
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print hexdump( $a ), |
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$last ? " [$last]" : '', |
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"> "; |
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my $in = <STDIN>; |
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chomp($in); |
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$in ||= $last; |
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$last = $in; |
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return split(/\s+/, $in); |
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} |
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|
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while ( 1 ) { |
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$orao->run(3, sub { |
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my ($pc, $inst, $a, $x, $y, $s, $p) = @_; |
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printf "%04x inst: %x a:%d x:%d y:%d s:%d p:%d\n", @_ if ( $debug || $c++ % 1000 == 0 ); |
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if ( $debug ) { |
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my $a = $pc; |
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while ( my ( $c, $v ) = prompt( $a ) ) { |
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if ( $c =~ m/^[qx]/i ) { |
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die; |
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} elsif ( $c =~ m/^m/i ) { |
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$a = hex( $v ); |
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} elsif ( $c =~ m/^\+/ ) { |
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$a += 16; |
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} elsif ( $c =~ m/^\-/ ) { |
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$a -= 16; |
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} else { |
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warn "# ignore $c\n"; |
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last; |
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} |
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warn hexdump( $a ); |
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} |
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} |
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}); |
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} |
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