/[VRac]/Orao.pm
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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revision 77 by dpavlin, Wed Aug 1 13:01:17 2007 UTC revision 95 by dpavlin, Thu Aug 2 13:19:19 2007 UTC
# Line 8  use lib './lib'; Line 8  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 Prefs);  use base qw(Class::Accessor M6502 Screen Prefs);
15  __PACKAGE__->mk_accessors(qw(run_for));  __PACKAGE__->mk_accessors(qw(booted run_for));
16    
17  =head1 NAME  =head1 NAME
18    
# Line 19  Orao - Orao emulator Line 20  Orao - Orao emulator
20    
21  =head1 VERSION  =head1 VERSION
22    
23  Version 0.02  Version 0.04
24    
25  =cut  =cut
26    
27  our $VERSION = '0.02';  our $VERSION = '0.04';
28    
29  =head1 SUMMARY  =head1 SUMMARY
30    
# Line 31  Emulator or Orao 8-bit 6502 machine popu Line 32  Emulator or Orao 8-bit 6502 machine popu
32    
33  =cut  =cut
34    
35  =head2 init  my @kbd_ports = (
36        0x87FC,0x87FD,0x87FA,0x87FB,0x87F6,0x87F7,
37        0x87EE,0x87EF,0x87DE,0x87DF,0x87BE,0x87BF,
38        0x877E,0x877F,0x86FE,0x86FF,0x85FE,0x85FF,
39        0x83FE,0x83FF,
40    );
41    
42    =head1 FUNCTIONS
43    
44    =head2 boot
45    
46  Start emulator, open L<Screen>, load initial ROM images, and render memory  Start emulator, open L<Screen>, load initial ROM images, and render memory
47    
48      my $orao = Orao->new({});
49      $orao->boot;
50    
51  =cut  =cut
52    
53  our $orao;  our $orao;
54    
55  select(STDERR); $| = 1;  select(STDERR); $| = 1;
56    
57  sub init {  sub boot {
58          my $self = shift;          my $self = shift;
59          warn "Orao calling upstream init\n";          warn "Orao calling upstream init\n";
60          $self->SUPER::init( $self, @_ );          $self->SUPER::init(
61                    read => sub { $self->read( @_ ) },
62                    write => sub { $self->write( @_ ) },
63            );
64    
65          warn "Orao $Orao::VERSION emulation starting\n";          warn "Orao $Orao::VERSION emulation starting\n";
66    
67            warn "emulating ", $#mem, " bytes of memory\n";
68    
69          $self->open_screen;          $self->open_screen;
70          $self->load_rom({          $self->load_rom({
71                  0x1000 => 'dump/SCRINV.BIN',                  0x1000 => 'dump/SCRINV.BIN',
# Line 60  sub init { Line 78  sub init {
78  #       $PC = 0xDD11;   # BC  #       $PC = 0xDD11;   # BC
79  #       $PC = 0xC274;   # MC  #       $PC = 0xC274;   # MC
80    
81            $PC = 0xff89;
82    
83          $orao = $self;          $orao = $self;
84    
85  #       $self->prompt( 0x1000 );  #       $self->prompt( 0x1000 );
# Line 99  sub init { Line 119  sub init {
119    
120          #( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 );          #( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 );
121    
122          warn "Orao init finished",          warn "Orao boot finished",
123                  $self->trace ? ' trace' : '',                  $self->trace ? ' trace' : '',
124                  $self->debug ? ' debug' : '',                  $self->debug ? ' debug' : '',
125                  "\n";                  "\n";
126    
127            M6502::reset();
128    
129            $self->booted( 1 );
130  }  }
131    
132    =head2 run
133    
134    Run interactive emulation loop
135    
136      $orao->run;
137    
138    =cut
139    
140    sub run {
141            my $self = shift;
142    
143            $self->boot if ( ! $self->booted );
144    
145            while ( 1 ) {
146                    $self->cli;
147                    M6502::exec($run_for);
148            }
149    };
150    
151    =head1 Helper functions
152    
153  =head2 load_rom  =head2 load_rom
154    
155  called to init memory and load initial rom images  called to init memory and load initial rom images
# Line 121  sub load_rom { Line 165  sub load_rom {
165    
166          foreach my $addr ( sort keys %$loaded_files ) {          foreach my $addr ( sort keys %$loaded_files ) {
167                  my $path = $loaded_files->{$addr};                  my $path = $loaded_files->{$addr};
168                  $self->load_oraoemu( $path, $addr );                  $self->load_image( $path, $addr );
169          }          }
170  }  }
171    
# Line 149  sub _write_chunk { Line 193  sub _write_chunk {
193          $self->render_mem( @mem ) if $self->show_mem;          $self->render_mem( @mem ) if $self->show_mem;
194  }  }
195    
196  =head2 load_oraoemu  =head2 load_image
197    
198  Load binary files, ROM images and Orao Emulator files  Load binary files, ROM images and Orao Emulator files
199    
200    $orao->load_oraoemu( '/path/to/file', 0x1000 );    $orao->load_image( '/path/to/file', 0x1000 );
201    
202  Returns true on success.  Returns true on success.
203    
204  =cut  =cut
205    
206  sub load_oraoemu {  sub load_image {
207          my $self = shift;          my $self = shift;
208          my ( $path, $addr ) = @_;          my ( $path, $addr ) = @_;
209    
# Line 269  sub read { Line 313  sub read {
313          my $self = shift;          my $self = shift;
314          my ($addr) = @_;          my ($addr) = @_;
315          my $byte = $mem[$addr];          my $byte = $mem[$addr];
316            confess sprintf("can't find memory at address %04x",$addr) unless defined($byte);
317          warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace;          warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace;
318    
319            # keyboard
320    
321            if ( first { $addr == $_ } @kbd_ports ) {
322                    warn sprintf("keyboard port: %04x\n",$addr);
323            } elsif ( $addr == 0x87fc ) {
324                    warn "0x87fc - arrows/back\n";
325    =for pascal
326                    if VKey=VK_RIGHT then Result:=16;
327                    if VKey=VK_DOWN then Result:=128;
328                    if VKey=VK_UP then Result:=192;
329                    if VKey=VK_LEFT then Result:=224;
330                    if Ord(KeyPressed)=VK_BACK then Result:=224;
331    =cut
332            } elsif ( $addr == 0x87fd ) {
333                    warn "0x87fd - enter\n";
334    =for pascal
335        if KeyPressed=Chr(13) then begin
336          Mem[$FC]:=13;
337          Result:=0;
338        end;
339    =cut
340            } elsif ( $addr == 0x87fa ) {
341                    warn "0x87fa = F1 - F4\n";
342    =for pascal
343        if VKey=VK_F4 then Result:=16;
344        if VKey=VK_F3 then Result:=128;
345        if VKey=VK_F2 then Result:=192;
346        if VKey=VK_F1 then Result:=224;
347    =cut
348            } elsif ( $addr == 0x87fb ) {
349                    warn "0x87fb\n";
350    =for pascal
351        if KeyPressed=Chr(32) then Result:=32;
352        if KeyPressed='"' then Result:=16;
353        if KeyPressed='!' then Result:=16;
354        if KeyPressed='$' then Result:=16;
355        if KeyPressed='%' then Result:=16;
356        if KeyPressed='&' then Result:=16;
357        if KeyPressed='(' then Result:=16;
358        if KeyPressed=')' then Result:=16;
359        if KeyPressed='=' then Result:=16;
360        if KeyPressed='#' then Result:=16;
361        if KeyPressed='+' then Result:=16;
362        if KeyPressed='*' then Result:=16;
363        if KeyPressed='?' then Result:=16;
364        if KeyPressed='<' then Result:=16;
365        if KeyPressed='>' then Result:=16;
366        if VKey=191 then Result:=16;
367    =cut
368            }
369    
370          $self->mmap_pixel( $addr, 0, $byte, 0 );          $self->mmap_pixel( $addr, 0, $byte, 0 );
371          return $byte;          return $byte;
372  }  }
# Line 296  sub write { Line 393  sub write {
393          }          }
394    
395          if ( $addr > 0xafff ) {          if ( $addr > 0xafff ) {
396                  warn sprintf "write access 0x%04x > 0xafff aborting\n", $addr;                  confess sprintf "write access 0x%04x > 0xafff aborting\n", $addr;
                 return;  
397          }          }
398    
399          $self->mmap_pixel( $addr, $byte, 0, 0 );          $self->mmap_pixel( $addr, $byte, 0, 0 );
# Line 399  __USAGE__ Line 495  __USAGE__
495                  } elsif ( $c =~ m/^l/i ) {                  } elsif ( $c =~ m/^l/i ) {
496                          my $to = shift @v || 0x1000;                          my $to = shift @v || 0x1000;
497                          $a = $to;                          $a = $to;
498                          $self->load_oraoemu( $v, $a );                          $self->load_image( $v, $a );
499                          $last = '';                          $last = '';
500                  } elsif ( $c =~ m/^s/i ) {                  } elsif ( $c =~ m/^s/i ) {
501                          $self->save_dump( $v || 'mem.dump', @v );                          $self->save_dump( $v || 'mem.dump', @v );
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