43 |
warn "Galaksija $Galaksija::VERSION emulation starting\n"; |
warn "Galaksija $Galaksija::VERSION emulation starting\n"; |
44 |
|
|
45 |
$self->show_mem( 1 ); |
$self->show_mem( 1 ); |
46 |
$self->trace( 1 ); |
#$self->trace( 1 ); |
47 |
|
|
48 |
$self->SUPER::init( |
$self->SUPER::init( |
49 |
read => sub { $self->read( @_ ) }, |
read => sub { $self->read( @_ ) }, |
76 |
$self->trace( 0 ); |
$self->trace( 0 ); |
77 |
$self->debug( 0 ); |
$self->debug( 0 ); |
78 |
|
|
79 |
warn "rendering video memory\n"; |
warn "rendering memory\n"; |
80 |
#$self->render_vram( @mem[ 0x2800 .. 0x2a00 ] ); |
$self->render_mem( @mem ); |
81 |
|
|
82 |
#$self->sync; |
#$self->sync; |
83 |
$self->trace( $trace ); |
$self->trace( $trace ); |
92 |
|
|
93 |
$self->loop( sub { |
$self->loop( sub { |
94 |
Z80::exec( $_[0] ); |
Z80::exec( $_[0] ); |
95 |
#$self->render_vram; |
$self->render_vram; |
96 |
}); |
}); |
97 |
|
|
98 |
} |
} |
100 |
|
|
101 |
=head1 Memory management |
=head1 Memory management |
102 |
|
|
|
Galaksija implements all I/O using mmap addresses. This was main reason why |
|
|
L<Acme::6502> was just too slow to handle it. |
|
|
|
|
103 |
=cut |
=cut |
104 |
|
|
105 |
=head2 read |
=head2 read |
121 |
confess sprintf("can't find memory at address %04x",$addr) unless defined($byte); |
confess sprintf("can't find memory at address %04x",$addr) unless defined($byte); |
122 |
warn sprintf("# Galaksija::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
warn sprintf("# Galaksija::read(%04x) = %02x\n", $addr, $byte) if $self->trace; |
123 |
|
|
124 |
|
$self->mmap_pixel( $addr, 0, $byte, 0 ) if $self->show_mem; |
125 |
return $byte; |
return $byte; |
126 |
} |
} |
127 |
|
|
138 |
my ($addr,$byte) = @_; |
my ($addr,$byte) = @_; |
139 |
warn sprintf("# Galaksija::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
warn sprintf("# Galaksija::write(%04x,%02x)\n", $addr, $byte) if $self->trace; |
140 |
|
|
141 |
|
$self->mmap_pixel( $addr, $byte, 0, 0 ) if $self->show_mem; |
142 |
$mem[$addr] = $byte; |
$mem[$addr] = $byte; |
143 |
return; |
return; |
144 |
} |
} |
145 |
|
|
146 |
|
=head1 Architecture specific |
147 |
|
|
148 |
|
=head2 render_vram |
149 |
|
|
150 |
|
Simple hex dumper of text buffer |
151 |
|
|
152 |
|
=cut |
153 |
|
|
154 |
|
sub render_vram { |
155 |
|
my $self = shift; |
156 |
|
|
157 |
|
my $addr = 0x2800; |
158 |
|
|
159 |
|
print ""; # FIXME auch! |
160 |
|
for my $y ( 0 .. 15 ) { |
161 |
|
printf "%2d: %s\n",$y, join('', map { sprintf("%02x ",$_) } @mem[ $addr .. $addr+31 ] ); |
162 |
|
$addr += 32; |
163 |
|
} |
164 |
|
} |
165 |
|
|
166 |
=head2 cpu_PC |
=head2 cpu_PC |
167 |
|
|
168 |
Helper metod to set or get PC for current architecture |
Helper metod to set or get PC for current architecture |
178 |
return $PC; |
return $PC; |
179 |
} |
} |
180 |
|
|
181 |
|
=head1 SEE ALSO |
182 |
|
|
183 |
|
L<VRac>, L<Screen>, L<Z80> |
184 |
|
|
185 |
=head1 AUTHOR |
=head1 AUTHOR |
186 |
|
|
187 |
Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
Dobrica Pavlinusic, C<< <dpavlin@rot13.org> >> |
188 |
|
|
189 |
|
Based on Galaxy Win emulator L<http://emulator.galaksija.org/> |
190 |
|
|
191 |
=head1 BUGS |
=head1 BUGS |
192 |
|
|
193 |
=head1 ACKNOWLEDGEMENTS |
=head1 ACKNOWLEDGEMENTS |