/[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 90 by dpavlin, Thu Aug 2 12:23:18 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);
# Line 19  Orao - Orao emulator Line 20  Orao - Orao emulator
20    
21  =head1 VERSION  =head1 VERSION
22    
23  Version 0.02  Version 0.03
24    
25  =cut  =cut
26    
27  our $VERSION = '0.02';  our $VERSION = '0.03';
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    =head2 boot
43    
44  Start emulator, open L<Screen>, load initial ROM images, and render memory  Start emulator, open L<Screen>, load initial ROM images, and render memory
45    
46      my $orao = Orao->new({});
47      $orao->boot;
48    
49  =cut  =cut
50    
51  our $orao;  our $orao;
52    
53  select(STDERR); $| = 1;  select(STDERR); $| = 1;
54    
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(
59                    read => sub { $self->read( @_ ) },
60                    write => sub { $self->write( @_ ) },
61            );
62    
63          warn "Orao $Orao::VERSION emulation starting\n";          warn "Orao $Orao::VERSION emulation starting\n";
64    
65            warn "emulating ", $#mem, " bytes of memory\n";
66    
67          $self->open_screen;          $self->open_screen;
68          $self->load_rom({          $self->load_rom({
69                  0x1000 => 'dump/SCRINV.BIN',                  0x1000 => 'dump/SCRINV.BIN',
# Line 60  sub init { Line 76  sub init {
76  #       $PC = 0xDD11;   # BC  #       $PC = 0xDD11;   # BC
77  #       $PC = 0xC274;   # MC  #       $PC = 0xC274;   # MC
78    
79            $PC = 0xff89;
80    
81          $orao = $self;          $orao = $self;
82    
83  #       $self->prompt( 0x1000 );  #       $self->prompt( 0x1000 );
# Line 99  sub init { Line 117  sub init {
117    
118          #( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 );          #( $A, $P, $X, $Y, $S, $IPeriod ) = ( 1, 2, 3, 4, 5, 6 );
119    
120          warn "Orao init finished",          warn "Orao boot finished",
121                  $self->trace ? ' trace' : '',                  $self->trace ? ' trace' : '',
122                  $self->debug ? ' debug' : '',                  $self->debug ? ' debug' : '',
123                  "\n";                  "\n";
124    
125            M6502::reset();
126    
127  }  }
128    
129  =head2 load_rom  =head2 load_rom
# Line 269  sub read { Line 289  sub read {
289          my $self = shift;          my $self = shift;
290          my ($addr) = @_;          my ($addr) = @_;
291          my $byte = $mem[$addr];          my $byte = $mem[$addr];
292            confess sprintf("can't find memory at address %04x",$addr) unless defined($byte);
293          warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace;          warn sprintf("# Orao::read(%04x) = %02x\n", $addr, $byte) if $self->trace;
294    
295            # keyboard
296    
297            if ( first { $addr == $_ } @kbd_ports ) {
298                    warn sprintf("keyboard port: %04x\n",$addr);
299            } elsif ( $addr == 0x87fc ) {
300                    warn "0x87fc - arrows/back\n";
301    =for pascal
302                    if VKey=VK_RIGHT then Result:=16;
303                    if VKey=VK_DOWN then Result:=128;
304                    if VKey=VK_UP then Result:=192;
305                    if VKey=VK_LEFT then Result:=224;
306                    if Ord(KeyPressed)=VK_BACK then Result:=224;
307    =cut
308            } elsif ( $addr == 0x87fd ) {
309                    warn "0x87fd - enter\n";
310    =for pascal
311        if KeyPressed=Chr(13) then begin
312          Mem[$FC]:=13;
313          Result:=0;
314        end;
315    =cut
316            } elsif ( $addr == 0x87fa ) {
317                    warn "0x87fa = F1 - F4\n";
318    =for pascal
319        if VKey=VK_F4 then Result:=16;
320        if VKey=VK_F3 then Result:=128;
321        if VKey=VK_F2 then Result:=192;
322        if VKey=VK_F1 then Result:=224;
323    =cut
324            } elsif ( $addr == 0x87fb ) {
325                    warn "0x87fb\n";
326    =for pascal
327        if KeyPressed=Chr(32) then Result:=32;
328        if KeyPressed='"' then Result:=16;
329        if KeyPressed='!' then Result:=16;
330        if KeyPressed='$' 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 KeyPressed='+' then Result:=16;
338        if KeyPressed='*' then Result:=16;
339        if KeyPressed='?' then Result:=16;
340        if KeyPressed='<' then Result:=16;
341        if KeyPressed='>' then Result:=16;
342        if VKey=191 then Result:=16;
343    =cut
344            }
345    
346          $self->mmap_pixel( $addr, 0, $byte, 0 );          $self->mmap_pixel( $addr, 0, $byte, 0 );
347          return $byte;          return $byte;
348  }  }
# Line 296  sub write { Line 369  sub write {
369          }          }
370    
371          if ( $addr > 0xafff ) {          if ( $addr > 0xafff ) {
372                  warn sprintf "write access 0x%04x > 0xafff aborting\n", $addr;                  confess sprintf "write access 0x%04x > 0xafff aborting\n", $addr;
                 return;  
373          }          }
374    
375          $self->mmap_pixel( $addr, $byte, 0, 0 );          $self->mmap_pixel( $addr, $byte, 0, 0 );
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