| 1 |
#!/usr/bin/perl |
| 2 |
|
| 3 |
use strict; |
| 4 |
use warnings; |
| 5 |
|
| 6 |
use Carp; |
| 7 |
use Data::Dump qw/dump/; |
| 8 |
|
| 9 |
use SDL::App; |
| 10 |
use SDL::Rect; |
| 11 |
use SDL::Color; |
| 12 |
|
| 13 |
use lib './lib'; |
| 14 |
use Orao; |
| 15 |
|
| 16 |
my $debug = 1; |
| 17 |
my $scale = 3; |
| 18 |
my $show_mem = 1; |
| 19 |
my $run_for = 1; |
| 20 |
my $mem_dump = 'mem.dump'; |
| 21 |
my $trace = 0; |
| 22 |
|
| 23 |
$run_for = 10000; |
| 24 |
|
| 25 |
|
| 26 |
my $app = SDL::App->new( |
| 27 |
-width => 256 * $scale + ( $show_mem ? 256 : 0 ), |
| 28 |
-height => 256 * $scale, |
| 29 |
-depth => 16, |
| 30 |
); |
| 31 |
|
| 32 |
$app->grab_input( 0 ); |
| 33 |
|
| 34 |
my $white = SDL::Color->new( -r => 0xff, -g => 0xff, -b => 0xff ); |
| 35 |
my $black = SDL::Color->new( -r => 0x80, -g => 0x80, -b => 0x80 ); |
| 36 |
|
| 37 |
my $red = SDL::Color->new( -r => 0xff, -g => 0x00, -b => 0x00 ); |
| 38 |
my $green = SDL::Color->new( -r => 0x00, -g => 0xff, -b => 0x00 ); |
| 39 |
my $blue = SDL::Color->new( -r => 0x00, -g => 0x00, -b => 0xff ); |
| 40 |
|
| 41 |
sub p { |
| 42 |
my ($x,$y,$w) = (@_); |
| 43 |
|
| 44 |
warn "p($x,$y,$w)\n" if $trace; |
| 45 |
|
| 46 |
my $rect = SDL::Rect->new( |
| 47 |
-height => $scale, |
| 48 |
-width => $scale, |
| 49 |
-x => $x * $scale, |
| 50 |
-y => $y * $scale, |
| 51 |
); |
| 52 |
|
| 53 |
$app->fill( $rect, $w ? $white : $black ); |
| 54 |
$app->update( $rect ); |
| 55 |
} |
| 56 |
|
| 57 |
my $stat; |
| 58 |
|
| 59 |
my @vram = (0) x 0x2000; |
| 60 |
|
| 61 |
sub mem_xy { |
| 62 |
my $offset = shift; |
| 63 |
my $x = $offset & 0xff; |
| 64 |
$x += 256 * $scale; |
| 65 |
my $y = $offset >> 8; |
| 66 |
return ($x,$y); |
| 67 |
} |
| 68 |
|
| 69 |
my $orao = new Orao({ |
| 70 |
vram => sub { |
| 71 |
my ( $offset, $byte ) = @_; |
| 72 |
my $x = ( $offset % 32 ) << 3; |
| 73 |
my $y = $offset >> 5; |
| 74 |
my $mask = 1; |
| 75 |
my $old = $vram[$offset]; |
| 76 |
|
| 77 |
printf "## vram %04x %02x*%02x %02x -> %02x\n", $offset, $x, $y, $old, $byte if $trace; |
| 78 |
|
| 79 |
foreach ( 0 .. 7 ) { |
| 80 |
p($x + $_, $y, $byte & $mask ); |
| 81 |
$mask = $mask << 1; |
| 82 |
} |
| 83 |
$vram[$offset] = $byte; |
| 84 |
}, |
| 85 |
mem_acc => sub { |
| 86 |
my ( $offset, $what, $value ) = @_; |
| 87 |
my ( $x, $y ) = mem_xy( $offset ); |
| 88 |
printf "## mem %04x %02x*%02x %s %s\n", $offset, $x, $y, $what, $value ? $value : '' if $trace; |
| 89 |
|
| 90 |
my ( $r,$g,$b ) = ( 0,0,0 ); |
| 91 |
|
| 92 |
if ( $what eq 'write' ) { |
| 93 |
$r = $value; |
| 94 |
} elsif ( $what eq 'read' ) { |
| 95 |
$g = $value; |
| 96 |
} else { |
| 97 |
$b = $value; |
| 98 |
} |
| 99 |
|
| 100 |
my $col = SDL::Color->new( -r => $r, -g => $g, -b => $b ); |
| 101 |
$app->pixel( $x, $y, $col ); |
| 102 |
|
| 103 |
$stat->{$what}++; |
| 104 |
if ( $stat->{$what} % 1000 == 0 ) { |
| 105 |
$app->sync; |
| 106 |
} |
| 107 |
}, |
| 108 |
}); |
| 109 |
|
| 110 |
my ($pc, $a, $x, $y, $s, $p) = (0) x 6; |
| 111 |
#$orao->load_rom('dump/basic.dmp', -2); |
| 112 |
|
| 113 |
#$pc = 0xDD11; # BC |
| 114 |
#$pc = 0xC274; # MC |
| 115 |
|
| 116 |
$orao->load_rom('makewav/SCRINV.BIN', 0x1000); |
| 117 |
$pc = 0x1000; |
| 118 |
|
| 119 |
#$orao->load_oraoemu('dump/orao-64k-1.2.dmp'); |
| 120 |
#$pc = 0xe5b7; |
| 121 |
|
| 122 |
# memory dump |
| 123 |
my $rect = SDL::Rect->new( |
| 124 |
-height => 256, |
| 125 |
-width => 256, |
| 126 |
-x => 256 * $scale, |
| 127 |
-y => 0, |
| 128 |
); |
| 129 |
|
| 130 |
$app->fill( $rect, $white ); |
| 131 |
$app->update( $rect ); |
| 132 |
|
| 133 |
warn "rendering memory map\n"; |
| 134 |
|
| 135 |
my @mmap = ( |
| 136 |
0x0000, 0x03FF, 'nulti blok', |
| 137 |
0x0400, 0x5FFF, 'korisnièki RAM (23K)', |
| 138 |
0x6000, 0x7FFF, 'video RAM', |
| 139 |
0x8000, 0x9FFF, 'sistemske lokacije', |
| 140 |
0xA000, 0xAFFF, 'ekstenzija', |
| 141 |
0xB000, 0xBFFF, 'DOS', |
| 142 |
0xC000, 0xDFFF, 'BASIC ROM', |
| 143 |
0xE000, 0xFFFF, 'sistemski ROM', |
| 144 |
); |
| 145 |
|
| 146 |
foreach my $i ( 0 .. $#mmap / 3 ) { |
| 147 |
my $o = $i * 3; |
| 148 |
my ( $from, $to, $desc ) = @mmap[$o,$o+1,$o+2]; |
| 149 |
printf "%04x - %04x - %s\n", $from, $to, $desc; |
| 150 |
for my $a ( $from .. $to ) { |
| 151 |
$orao->read_8( $a ); |
| 152 |
} |
| 153 |
$app->sync; |
| 154 |
} |
| 155 |
|
| 156 |
sub opcode_cb { |
| 157 |
my $a = shift || confess "no pc?"; |
| 158 |
$app->sync; |
| 159 |
while ( my @v = $orao->prompt( $a ) ) { |
| 160 |
my $c = shift @v; |
| 161 |
my $v = shift @v; |
| 162 |
$v = hex($v) if $v && $v =~ m/^[0-9a-f]+$/; |
| 163 |
printf "## [%s] %s\n", ($v || 'undef'), join(",",@v) if $debug; |
| 164 |
@v = map { hex($_) } @v; |
| 165 |
if ( $c =~ m/^[qx]/i ) { |
| 166 |
exit; |
| 167 |
} elsif ( $c eq '?' ) { |
| 168 |
warn "usage: x|q - exit, e/m 0xdead - dump/edit memory (+/-), j|u 0xbeef - jump, r cycles - run\n"; |
| 169 |
} elsif ( $c =~ m/^e/i ) { |
| 170 |
$a = $v; |
| 171 |
my $to = shift @v; |
| 172 |
$to = $a + 32 if ( ! $to || $to <= $a ); |
| 173 |
my $lines = int( ($to - $a - 8) / 8 ); |
| 174 |
printf "## m %04x %04x lines: %d\n", $a, $to, $lines; |
| 175 |
while ( $lines ) { |
| 176 |
print $orao->hexdump( $a ); |
| 177 |
$a += 8; |
| 178 |
$lines--; |
| 179 |
} |
| 180 |
} elsif ( $c =~ m/^\+/ ) { |
| 181 |
$a += 8; |
| 182 |
} elsif ( $c =~ m/^\-/ ) { |
| 183 |
$a -= 8; |
| 184 |
} elsif ( $c =~ m/^m/i ) { |
| 185 |
$a = $v; |
| 186 |
$orao->poke_code( $a, @v ); |
| 187 |
printf "poke %d bytes at %04x\n", $#v + 1, $a; |
| 188 |
} elsif ( $c =~ m/^l/i ) { |
| 189 |
my $to = shift @ARGV || 0x1000; |
| 190 |
$a = $to; |
| 191 |
$orao->load_oraoemu( $v, $a ); |
| 192 |
} elsif ( $c =~ m/^s/i ) { |
| 193 |
$orao->save_dump( $v || $mem_dump, @v ); |
| 194 |
} elsif ( $c =~ m/^r/i ) { |
| 195 |
$run_for = $v || 1; |
| 196 |
print "run_for $run_for instructions\n"; |
| 197 |
last; |
| 198 |
} elsif ( $c =~ m/^(u|j)/ ) { |
| 199 |
my $to = $v || $a; |
| 200 |
printf "set pc to %04x\n", $to; |
| 201 |
$orao->set_pc( $to ); |
| 202 |
$run_for = 1; |
| 203 |
last; |
| 204 |
} elsif ( $c =~ m/^t/ ) { |
| 205 |
$trace = not $trace; |
| 206 |
print "trace ", $trace ? 'on' : 'off', "\n"; |
| 207 |
} else { |
| 208 |
warn "# ignore $c\n"; |
| 209 |
last; |
| 210 |
} |
| 211 |
} |
| 212 |
} |
| 213 |
|
| 214 |
sub restart { |
| 215 |
printf "starting emulation -- pc: %04x a:%d x:%d y:%d s:%d p:%d for %d instructions\n", $pc, $a, $x, $y, $s, $p, $run_for; |
| 216 |
|
| 217 |
$orao->set_pc( $pc ); |
| 218 |
$orao->set_a( $a ); |
| 219 |
$orao->set_x( $x ); |
| 220 |
$orao->set_y( $y ); |
| 221 |
$orao->set_s( $s ); |
| 222 |
$orao->set_p( $p ); |
| 223 |
} |
| 224 |
|
| 225 |
restart; |
| 226 |
|
| 227 |
while ( 1 ) { |
| 228 |
eval { |
| 229 |
$orao->run( $run_for , sub { |
| 230 |
my ($pc, $inst, $a, $x, $y, $s, $p) = @_; |
| 231 |
$run_for--; |
| 232 |
|
| 233 |
$app->pixel( mem_xy( $pc ), $white ); |
| 234 |
$app->sync if ( $run_for % 500 == 0 ); |
| 235 |
|
| 236 |
printf "%04x inst: %x a:%d x:%d y:%d s:%d p:%d [%d]\n", @_, $run_for if ( $trace || $run_for % 1000 == 0 ); |
| 237 |
opcode_cb( $pc ) if ( $run_for <= 1 ); |
| 238 |
|
| 239 |
return 1; |
| 240 |
} ); |
| 241 |
}; |
| 242 |
|
| 243 |
if ( $@ ) { |
| 244 |
print "restart after $@\n"; |
| 245 |
restart(); |
| 246 |
$run_for = 1; |
| 247 |
} |
| 248 |
|
| 249 |
$run_for ||= 1; |
| 250 |
} |
Parent Directory
| 
Revision Log