3 |
use warnings; |
use warnings; |
4 |
use strict; |
use strict; |
5 |
|
|
6 |
use Carp; |
use Carp qw/confess/; |
7 |
use lib './lib'; |
use lib './lib'; |
8 |
#use Time::HiRes qw(time); |
#use Time::HiRes qw(time); |
9 |
use File::Slurp; |
use File::Slurp; |
10 |
use Data::Dump qw/dump/; |
use Data::Dump qw/dump/; |
11 |
|
use List::Util qw/first/; |
12 |
use M6502; |
use M6502; |
13 |
|
|
14 |
use base qw(Class::Accessor M6502 Screen); |
use base qw(Class::Accessor M6502 Screen Prefs); |
15 |
__PACKAGE__->mk_accessors(qw(debug trace run_for mem_dump trace)); |
__PACKAGE__->mk_accessors(qw(run_for)); |
16 |
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|
17 |
=head1 NAME |
=head1 NAME |
18 |
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|
32 |
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|
33 |
=cut |
=cut |
34 |
|
|
35 |
=head2 init |
my @kbd_ports = ( |
36 |
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0x87FC,0x87FD,0x87FA,0x87FB,0x87F6,0x87F7, |
37 |
|
0x87EE,0x87EF,0x87DE,0x87DF,0x87BE,0x87BF, |
38 |
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0x877E,0x877F,0x86FE,0x86FF,0x85FE,0x85FF, |
39 |
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0x83FE,0x83FF, |
40 |
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); |
41 |
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|
42 |
Start emulator |
=head2 boot |
43 |
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|
44 |
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Start emulator, open L<Screen>, load initial ROM images, and render memory |
45 |
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|
46 |
|
my $orao = Orao->new({}); |
47 |
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$orao->boot; |
48 |
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|
49 |
=cut |
=cut |
50 |
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52 |
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|
53 |
select(STDERR); $| = 1; |
select(STDERR); $| = 1; |
54 |
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|
55 |
sub init { |
sub boot { |
56 |
my $self = shift; |
my $self = shift; |
57 |
warn "Orao calling upstream init\n"; |
warn "Orao calling upstream init\n"; |
58 |
$self->SUPER::init( $self, @_ ); |
$self->SUPER::init( $self, @_ ); |
59 |
|
|
60 |
warn "staring Orao $Orao::VERSION emulation\n"; |
warn "Orao $Orao::VERSION emulation starting\n"; |
61 |
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|
62 |
$self->open_screen; |
$self->open_screen; |
63 |
$self->load_rom({ |
$self->load_rom({ |
64 |
0x1000 => 'dump/SCRINV.BIN', |
0x1000 => 'dump/SCRINV.BIN', |
65 |
|
# should be 0x6000, but oraoemu has 2 byte prefix |
66 |
|
0x5FFE => 'dump/screen.dmp', |
67 |
0xC000 => 'rom/BAS12.ROM', |
0xC000 => 'rom/BAS12.ROM', |
68 |
0xE000 => 'rom/CRT12.ROM', |
0xE000 => 'rom/CRT12.ROM', |
69 |
}); |
}); |
70 |
|
|
71 |
$self->load_oraoemu( 'dump/orao-1.2' ); |
# $PC = 0xDD11; # BC |
72 |
$self->load_oraoemu( 'dump/SCRINV.BIN', 0x1000 ); |
# $PC = 0xC274; # MC |
73 |
$PC = 0x1000; |
|
74 |
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$PC = 0xff89; |
75 |
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|
76 |
$orao = $self; |
$orao = $self; |
77 |
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|
78 |
# $self->prompt( 0x1000 ); |
# $self->prompt( 0x1000 ); |
79 |
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|
80 |
my $trace = $self->trace; |
my ( $trace, $debug ) = ( $self->trace, $self->debug ); |
81 |
$self->trace( 0 ); |
$self->trace( 0 ); |
82 |
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$self->debug( 0 ); |
83 |
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|
84 |
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$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
85 |
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|
86 |
if ( $self->show_mem ) { |
if ( $self->show_mem ) { |
87 |
|
|
88 |
warn "rendering memory map\n"; |
warn "rendering memory map\n"; |
89 |
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|
90 |
|
$self->render_mem( @mem ); |
91 |
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|
92 |
my @mmap = ( |
my @mmap = ( |
93 |
0x0000, 0x03FF, 'nulti blok', |
0x0000, 0x03FF, 'nulti blok', |
94 |
0x0400, 0x5FFF, 'korisnički RAM (23K)', |
0x0400, 0x5FFF, 'korisnički RAM (23K)', |
100 |
0xE000, 0xFFFF, 'sistemski ROM', |
0xE000, 0xFFFF, 'sistemski ROM', |
101 |
); |
); |
102 |
|
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foreach my $i ( 0 .. $#mmap / 3 ) { |
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my $o = $i * 3; |
|
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my ( $from, $to, $desc ) = @mmap[$o,$o+1,$o+2]; |
|
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printf "%04x - %04x - %s\n", $from, $to, $desc; |
|
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for my $a ( $from .. $to ) { |
|
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if ( $a >= 0x6000 && $a < 0x8000 ) { |
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my $b = $self->read( $a ); |
|
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$self->vram( $a - 0x6000, $b ); |
|
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} else { |
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$self->read( $a ); |
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} |
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} |
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} |
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103 |
} else { |
} else { |
104 |
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|
105 |
warn "rendering video memory\n"; |
warn "rendering video memory\n"; |
106 |
for my $a ( 0x6000 .. 0x7fff ) { |
$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
|
$self->vram( $a - 0x6000, $mem[$a] ); |
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} |
|
107 |
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|
108 |
} |
} |
109 |
$self->sync; |
$self->sync; |
110 |
$self->trace( $trace ); |
$self->trace( $trace ); |
111 |
|
$self->debug( $debug ); |
112 |
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|
113 |
#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
#( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 ); |
114 |
|
|
115 |
warn "Orao init finished", $self->trace ? ' trace on' : '', "\n"; |
warn "Orao boot finished", |
116 |
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$self->trace ? ' trace' : '', |
117 |
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$self->debug ? ' debug' : '', |
118 |
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"\n"; |
119 |
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|
120 |
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M6502::reset(); |
121 |
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122 |
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warn dump( M6502->run ); |
123 |
} |
} |
124 |
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|
125 |
=head2 load_rom |
=head2 load_rom |
141 |
} |
} |
142 |
} |
} |
143 |
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|
144 |
|
# write chunk directly into memory, updateing vram if needed |
145 |
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sub _write_chunk { |
146 |
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my $self = shift; |
147 |
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my ( $addr, $chunk ) = @_; |
148 |
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$self->write_chunk( $addr, $chunk ); |
149 |
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my $end = $addr + length($chunk); |
150 |
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my ( $f, $t ) = ( 0x6000, 0x7fff ); |
151 |
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152 |
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if ( $end < $f || $addr >= $t ) { |
153 |
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warn "skip vram update\n"; |
154 |
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return; |
155 |
|
}; |
156 |
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157 |
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$f = $addr if ( $addr > $f ); |
158 |
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$t = $end if ( $end < $t ); |
159 |
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|
160 |
|
warn sprintf("refresh video ram %04x-%04x\n", $f, $t); |
161 |
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# foreach my $a ( $f .. $t ) { |
162 |
|
# $self->vram( $a - 0x6000 , $mem[ $a ] ); |
163 |
|
# } |
164 |
|
$self->render( @mem[ 0x6000 .. 0x7fff ] ); |
165 |
|
$self->render_mem( @mem ) if $self->show_mem; |
166 |
|
} |
167 |
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|
168 |
=head2 load_oraoemu |
=head2 load_oraoemu |
169 |
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|
170 |
|
Load binary files, ROM images and Orao Emulator files |
171 |
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|
172 |
|
$orao->load_oraoemu( '/path/to/file', 0x1000 ); |
173 |
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|
174 |
|
Returns true on success. |
175 |
|
|
176 |
=cut |
=cut |
177 |
|
|
178 |
sub load_oraoemu { |
sub load_oraoemu { |
179 |
my $self = shift; |
my $self = shift; |
180 |
my ( $path, $addr ) = @_; |
my ( $path, $addr ) = @_; |
181 |
|
|
182 |
|
if ( ! -e $path ) { |
183 |
|
warn "ERROR: file $path doesn't exist\n"; |
184 |
|
return; |
185 |
|
} |
186 |
|
|
187 |
my $size = -s $path || confess "no size for $path: $!"; |
my $size = -s $path || confess "no size for $path: $!"; |
188 |
|
|
189 |
my $buff = read_file( $path ); |
my $buff = read_file( $path ); |
191 |
if ( $size == 65538 ) { |
if ( $size == 65538 ) { |
192 |
$addr = 0; |
$addr = 0; |
193 |
warn sprintf "loading oraoemu 64k dump %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
warn sprintf "loading oraoemu 64k dump %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
194 |
$self->write_chunk( $addr, substr($buff,2) ); |
$self->_write_chunk( $addr, substr($buff,2) ); |
195 |
return; |
return 1; |
196 |
} elsif ( $size == 32800 ) { |
} elsif ( $size == 32800 ) { |
197 |
$addr = 0; |
$addr = 0; |
198 |
warn sprintf "loading oraoemu 1.3 dump %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
warn sprintf "loading oraoemu 1.3 dump %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
199 |
$self->write_chunk( $addr, substr($buff,0x20) ); |
$self->_write_chunk( $addr, substr($buff,0x20) ); |
200 |
return; |
return 1; |
201 |
} |
} |
202 |
printf "loading %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
printf "loading %s at %04x - %04x %02x\n", $path, $addr, $addr+$size-1, $size; |
203 |
return $self->write_chunk( $addr, $buff ); |
$self->_write_chunk( $addr, $buff ); |
204 |
|
return 1; |
205 |
|
|
206 |
my $chunk; |
my $chunk; |
207 |
|
|
217 |
$pos += 4; |
$pos += 4; |
218 |
} |
} |
219 |
|
|
220 |
$self->write_chunk( $addr, $chunk ); |
$self->_write_chunk( $addr, $chunk ); |
221 |
|
|
222 |
|
return 1; |
223 |
}; |
}; |
224 |
|
|
225 |
=head2 save_dump |
=head2 save_dump |
256 |
return sprintf(" %04x %s\n", $a, |
return sprintf(" %04x %s\n", $a, |
257 |
join(" ", |
join(" ", |
258 |
map { |
map { |
259 |
sprintf( "%02x", $_ ) |
if ( defined($_) ) { |
260 |
} $self->ram( $a, $a+8 ) |
sprintf( "%02x", $_ ) |
261 |
|
} else { |
262 |
|
' ' |
263 |
|
} |
264 |
|
} @mem[ $a .. $a+8 ] |
265 |
) |
) |
266 |
); |
); |
267 |
} |
} |
268 |
|
|
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=head2 prompt |
|
|
|
|
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$orao->prompt( $address, $last_command ); |
|
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=cut |
|
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|
|
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sub prompt { |
|
|
my $self = shift; |
|
|
my $a = shift; |
|
|
my $last = shift; |
|
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print STDERR $self->hexdump( $a ), |
|
|
$last ? "[$last] " : '', |
|
|
"> "; |
|
|
my $in = <STDIN>; |
|
|
chomp($in); |
|
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$in ||= $last; |
|
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$last = $in; |
|
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return split(/\s+/, $in) if $in; |
|
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} |
|
|
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|
269 |
=head1 Memory management |
=head1 Memory management |
270 |
|
|
271 |
Orao implements all I/O using mmap addresses. This was main reason why |
Orao implements all I/O using mmap addresses. This was main reason why |
286 |
my ($addr) = @_; |
my ($addr) = @_; |
287 |
my $byte = $mem[$addr]; |
my $byte = $mem[$addr]; |
288 |
warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
289 |
|
|
290 |
|
# keyboard |
291 |
|
|
292 |
|
if ( first { $addr == $_ } @kbd_ports ) { |
293 |
|
warn sprintf("keyboard port: %04x\n",$addr); |
294 |
|
} elsif ( $addr == 0x87fc ) { |
295 |
|
warn "0x87fc - arrows/back\n"; |
296 |
|
=for pascal |
297 |
|
if VKey=VK_RIGHT then Result:=16; |
298 |
|
if VKey=VK_DOWN then Result:=128; |
299 |
|
if VKey=VK_UP then Result:=192; |
300 |
|
if VKey=VK_LEFT then Result:=224; |
301 |
|
if Ord(KeyPressed)=VK_BACK then Result:=224; |
302 |
|
=cut |
303 |
|
} elsif ( $addr == 0x87fd ) { |
304 |
|
warn "0x87fd - enter\n"; |
305 |
|
=for pascal |
306 |
|
if KeyPressed=Chr(13) then begin |
307 |
|
Mem[$FC]:=13; |
308 |
|
Result:=0; |
309 |
|
end; |
310 |
|
=cut |
311 |
|
} elsif ( $addr == 0x87fa ) { |
312 |
|
warn "0x87fa = F1 - F4\n"; |
313 |
|
=for pascal |
314 |
|
if VKey=VK_F4 then Result:=16; |
315 |
|
if VKey=VK_F3 then Result:=128; |
316 |
|
if VKey=VK_F2 then Result:=192; |
317 |
|
if VKey=VK_F1 then Result:=224; |
318 |
|
=cut |
319 |
|
} elsif ( $addr == 0x87fb ) { |
320 |
|
warn "0x87fb\n"; |
321 |
|
=for pascal |
322 |
|
if KeyPressed=Chr(32) then Result:=32; |
323 |
|
if KeyPressed='"' then Result:=16; |
324 |
|
if KeyPressed='!' then Result:=16; |
325 |
|
if KeyPressed='$' then Result:=16; |
326 |
|
if KeyPressed='%' then Result:=16; |
327 |
|
if KeyPressed='&' then Result:=16; |
328 |
|
if KeyPressed='(' then Result:=16; |
329 |
|
if KeyPressed=')' then Result:=16; |
330 |
|
if KeyPressed='=' then Result:=16; |
331 |
|
if KeyPressed='#' then Result:=16; |
332 |
|
if KeyPressed='+' then Result:=16; |
333 |
|
if KeyPressed='*' then Result:=16; |
334 |
|
if KeyPressed='?' then Result:=16; |
335 |
|
if KeyPressed='<' then Result:=16; |
336 |
|
if KeyPressed='>' then Result:=16; |
337 |
|
if VKey=191 then Result:=16; |
338 |
|
=cut |
339 |
|
} |
340 |
|
|
341 |
$self->mmap_pixel( $addr, 0, $byte, 0 ); |
$self->mmap_pixel( $addr, 0, $byte, 0 ); |
342 |
return $byte; |
return $byte; |
343 |
} |
} |
359 |
$self->vram( $addr - 0x6000 , $byte ); |
$self->vram( $addr - 0x6000 , $byte ); |
360 |
} |
} |
361 |
|
|
|
if ( $addr > 0xafff ) { |
|
|
warn sprintf "access to %04x above affff aborting\n", $addr; |
|
|
return -1; |
|
|
} |
|
362 |
if ( $addr == 0x8800 ) { |
if ( $addr == 0x8800 ) { |
363 |
warn sprintf "sound ignored: %x\n", $byte; |
warn sprintf "sound ignored: %x\n", $byte; |
364 |
} |
} |
365 |
|
|
366 |
|
if ( $addr > 0xafff ) { |
367 |
|
warn sprintf "write access 0x%04x > 0xafff aborting\n", $addr; |
368 |
|
return; |
369 |
|
} |
370 |
|
|
371 |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
$self->mmap_pixel( $addr, $byte, 0, 0 ); |
372 |
|
|
373 |
$mem[$addr] = $byte; |
$mem[$addr] = $byte; |
379 |
Command-line debugging intrerface is implemented for communication with |
Command-line debugging intrerface is implemented for communication with |
380 |
emulated device |
emulated device |
381 |
|
|
382 |
|
=head2 prompt |
383 |
|
|
384 |
|
my ( $entered_line, @p ) = $orao->prompt( $address, $last_command ); |
385 |
|
|
386 |
|
=cut |
387 |
|
|
388 |
|
my $last = 'r 1'; |
389 |
|
|
390 |
|
sub prompt { |
391 |
|
my $self = shift; |
392 |
|
$self->app->sync; |
393 |
|
my $a = shift; |
394 |
|
print STDERR $self->hexdump( $a ), |
395 |
|
$last ? "[$last] " : '', |
396 |
|
"> "; |
397 |
|
my $in = <STDIN>; |
398 |
|
chomp($in); |
399 |
|
warn "## prompt got: $in\n" if $self->debug; |
400 |
|
$in ||= $last; |
401 |
|
$last = $in; |
402 |
|
return ( $in, split(/\s+/, $in) ) if $in; |
403 |
|
} |
404 |
|
|
405 |
=head2 cli |
=head2 cli |
406 |
|
|
407 |
$orao->cli(); |
$orao->cli(); |
408 |
|
|
409 |
=cut |
=cut |
410 |
|
|
411 |
my $last = 'r 1'; |
my $show_R = 0; |
412 |
|
|
413 |
sub cli { |
sub cli { |
414 |
my $self = shift; |
my $self = shift; |
415 |
my $a = $PC || confess "no pc?"; |
my $a = $PC || confess "no pc?"; |
416 |
$self->app->sync; |
warn $self->dump_R() if $show_R; |
417 |
while ( my @v = $orao->prompt( $a, $last ) ) { |
while ( my ($line, @v) = $self->prompt( $a, $last ) ) { |
418 |
my $c = shift @v; |
my $c = shift @v; |
419 |
|
next unless defined($c); |
420 |
my $v = shift @v; |
my $v = shift @v; |
421 |
$v = hex($v) if $v && $v =~ m/^[0-9a-f]+$/; |
$v = hex($v) if $v && $v =~ m/^[0-9a-f]+$/; |
|
printf "## [%s] %s\n", ($v || 'undef'), join(",",@v) if $self->debug; |
|
422 |
@v = map { hex($_) } @v; |
@v = map { hex($_) } @v; |
423 |
|
printf "## a: %04x parsed cli: c:%s v:%s %s\n", $a, $c, ($v || 'undef'), join(",",@v) if $self->debug; |
424 |
if ( $c =~ m/^[qx]/i ) { |
if ( $c =~ m/^[qx]/i ) { |
425 |
exit; |
exit; |
426 |
} elsif ( $c eq '?' ) { |
} elsif ( $c eq '?' ) { |
427 |
|
my $t = $self->trace ? 'on' : 'off' ; |
428 |
|
my $d = $self->debug ? 'on' : 'off' ; |
429 |
warn <<__USAGE__; |
warn <<__USAGE__; |
430 |
uage: |
Usage: |
431 |
|
|
432 |
x|q\t\texit |
x|q\t\texit |
433 |
e 6000 6010\tdump memory, +/- to walk forward/backward |
e 6000 6010\tdump memory, +/- to walk forward/backward |
434 |
m 1000 ff 00\tput ff 00 on 1000 |
m 1000 ff 00\tput ff 00 on 1000 |
435 |
j|u 1000\t\tjump (change pc) |
j|u 1000\t\tjump (change pc) |
436 |
r 42\t\trun 42 instruction opcodes |
r 42\t\trun 42 instruction opcodes |
437 |
|
t\t\ttrace [$t] |
438 |
|
d\t\tdebug [$d] |
439 |
|
|
440 |
__USAGE__ |
__USAGE__ |
441 |
|
warn $self->dump_R; |
442 |
} elsif ( $c =~ m/^e/i ) { |
} elsif ( $c =~ m/^e/i ) { |
443 |
$a ||= $v; |
$a = $v if defined($v); |
444 |
my $to = shift @v; |
my $to = shift @v; |
445 |
$to = $a + 32 if ( ! $to || $to <= $a ); |
$to = $a + 32 if ( ! $to || $to <= $a ); |
446 |
my $lines = int( ($to - $a - 8) / 8 ); |
$to = 0xffff if ( $to > 0xffff ); |
447 |
printf "## m %04x %04x lines: %d\n", $a, $to, $lines; |
my $lines = int( ($to - $a + 8) / 8 ); |
448 |
while ( $lines ) { |
printf "## e %04x %04x (%d bytes) lines: %d\n", $a, $to, ($to-$a), $lines; |
449 |
|
while ( --$lines ) { |
450 |
print $self->hexdump( $a ); |
print $self->hexdump( $a ); |
451 |
$a += 8; |
$a += 8; |
|
$lines--; |
|
452 |
} |
} |
453 |
$last = '+'; |
$last = '+'; |
454 |
|
$show_R = 0; |
455 |
} elsif ( $c =~ m/^\+/ ) { |
} elsif ( $c =~ m/^\+/ ) { |
456 |
$a += 8; |
$a += 8; |
457 |
|
$show_R = 0; |
458 |
} elsif ( $c =~ m/^\-/ ) { |
} elsif ( $c =~ m/^\-/ ) { |
459 |
$a -= 8; |
$a -= 8; |
460 |
|
$show_R = 0; |
461 |
} elsif ( $c =~ m/^m/i ) { |
} elsif ( $c =~ m/^m/i ) { |
462 |
$a = $v; |
$a = $v if defined($v); |
463 |
$self->poke_code( $a, @v ); |
$self->poke_code( $a, @v ); |
464 |
printf "poke %d bytes at %04x\n", $#v + 1, $a; |
printf "poke %d bytes at %04x\n", $#v + 1, $a; |
465 |
|
$last = '+'; |
466 |
|
$show_R = 0; |
467 |
} elsif ( $c =~ m/^l/i ) { |
} elsif ( $c =~ m/^l/i ) { |
468 |
my $to = shift @v || 0x1000; |
my $to = shift @v || 0x1000; |
469 |
$a = $to; |
$a = $to; |
470 |
$self->load_oraoemu( $v, $a ); |
$self->load_oraoemu( $v, $a ); |
471 |
|
$last = ''; |
472 |
} elsif ( $c =~ m/^s/i ) { |
} elsif ( $c =~ m/^s/i ) { |
473 |
$self->save_dump( $v || 'mem.dump', @v ); |
$self->save_dump( $v || 'mem.dump', @v ); |
474 |
|
$last = ''; |
475 |
} elsif ( $c =~ m/^r/i ) { |
} elsif ( $c =~ m/^r/i ) { |
476 |
$run_for = $v || 1; |
$run_for = $v || 1; |
477 |
print "run_for $run_for instructions\n"; |
print "run_for $run_for instructions\n"; |
478 |
|
$show_R = 1; |
479 |
last; |
last; |
480 |
} elsif ( $c =~ m/^(u|j)/ ) { |
} elsif ( $c =~ m/^(u|j)/ ) { |
481 |
my $to = $v || $a; |
my $to = $v || $a; |
482 |
printf "set pc to %04x\n", $to; |
printf "set pc to %04x\n", $to; |
483 |
$PC = $to; # remember for restart |
$PC = $to; # remember for restart |
484 |
$run_for = 1; |
$run_for = 1; |
485 |
|
$last = "r $run_for"; |
486 |
|
$show_R = 1; |
487 |
last; |
last; |
488 |
} elsif ( $c =~ m/^t/ ) { |
} elsif ( $c =~ m/^t/ ) { |
489 |
$self->trace( not $self->trace ); |
$self->trace( not $self->trace ); |
490 |
print "trace ", $self->trace ? 'on' : 'off', "\n"; |
print "trace ", $self->trace ? 'on' : 'off', "\n"; |
491 |
|
$last = ''; |
492 |
|
} elsif ( $c =~ m/^d/ ) { |
493 |
|
$self->debug( not $self->debug ); |
494 |
|
print "debug ", $self->debug ? 'on' : 'off', "\n"; |
495 |
|
$last = ''; |
496 |
} else { |
} else { |
497 |
warn "# ignore $c\n"; |
warn "# ignored $line\n" if ($line); |
498 |
last; |
$last = ''; |
499 |
} |
} |
500 |
} |
} |
501 |
|
|
|
|
|
502 |
} |
} |
503 |
|
|
504 |
=head1 AUTHOR |
=head1 AUTHOR |