| … | |
… | |
| 15 | # |
15 | # |
| 16 | |
16 | |
| 17 | # If this file contains embedded ROMs, the above copyright notice does |
17 | # If this file contains embedded ROMs, the above copyright notice does |
| 18 | # not apply to them. |
18 | # not apply to them. |
| 19 | |
19 | |
|
|
20 | use 5.010; |
| 20 | use strict; |
21 | use strict; |
|
|
22 | use integer; |
| 21 | #use common::sense; |
23 | #use common::sense; |
| 22 | |
24 | |
| 23 | my $VT102 = 1; |
25 | my $VT102 = 1; |
| 24 | my $VT131 = 0; |
26 | my $VT131 = 0; |
| 25 | my $AVO = 1; |
27 | my $AVO = 1; |
| … | |
… | |
| 64 | SET UP Home |
66 | SET UP Home |
| 65 | BACKSPACE Rubout |
67 | BACKSPACE Rubout |
| 66 | CAPS LOCK Prior/PgUp |
68 | CAPS LOCK Prior/PgUp |
| 67 | NO SCROLL Next/PgDown |
69 | NO SCROLL Next/PgDown |
| 68 | BREAK End |
70 | BREAK End |
|
|
71 | CTRL-C Insert |
| 69 | |
72 | |
| 70 | Set-Up Guide: |
73 | Set-Up Guide: |
| 71 | |
74 | |
| 72 | http://vt100.net/docs/vt102-ug/chapter3.html#S3.6 |
75 | http://vt100.net/docs/vt102-ug/chapter3.html#S3.6 |
| 73 | |
76 | |
| … | |
… | |
| 527 | |
530 | |
| 528 | my @LED = $VT102 |
531 | my @LED = $VT102 |
| 529 | ? qw(L1 INSERT DSR CTS LOCKED LOCAL SCAN BEEP) |
532 | ? qw(L1 INSERT DSR CTS LOCKED LOCAL SCAN BEEP) |
| 530 | : qw(L4 L3 L2 L1 LOCKED LOCAL SCAN BEEP); |
533 | : qw(L4 L3 L2 L1 LOCKED LOCAL SCAN BEEP); |
| 531 | |
534 | |
|
|
535 | my $CURSOR_IS_ON; |
|
|
536 | |
| 532 | # display screen |
537 | # display screen |
| 533 | sub display { |
538 | sub display { |
|
|
539 | # this is for the powersave mode - check whether the cursor is on here, |
|
|
540 | # and only allow powersave later when it was on the last display time |
|
|
541 | $CURSOR_IS_ON = $M[$VT102 ? 0x207b : 0x21ba]; |
|
|
542 | |
| 534 | my $i = 0x2000; |
543 | my $i = 0x2000; |
| 535 | |
544 | |
| 536 | my $leds = join " ", map $KSTATUS & 2**$_ ? "\e[7m$LED[$_]\e[m" : "$LED[$_]", reverse 0 .. $#LED; |
545 | my $leds = join " ", map $KSTATUS & 2**$_ ? "\e[7m$LED[$_]\e[m" : "$LED[$_]", reverse 0 .. $#LED; |
| 537 | |
546 | |
| 538 | my $scr = sprintf "\e[H--- LED [ %s ] CLK %d\e[K\n", $leds, $CLK; |
547 | my $scr = sprintf "\e[H--- LED [ %s ] CLK %d\e[K\n", $leds, $CLK; |
| … | |
… | |
| 590 | "\x1e" => 0x24 | 0x100, # CTRL-~ |
599 | "\x1e" => 0x24 | 0x100, # CTRL-~ |
| 591 | "\x1f" => 0x75 | 0x100, # CTRL-? |
600 | "\x1f" => 0x75 | 0x100, # CTRL-? |
| 592 | |
601 | |
| 593 | # hardcoded rxvt keys |
602 | # hardcoded rxvt keys |
| 594 | "\e" => 0x2a, # ESC |
603 | "\e" => 0x2a, # ESC |
|
|
604 | "\e[2~" => 0x79 | 0x100, # CTRL-C (insert) |
| 595 | "\e[3~" => 0x03, # DC |
605 | "\e[3~" => 0x03, # DC |
| 596 | "\e[5~" => 0x7e, # CAPS LOCK (prior) |
606 | "\e[5~" => 0x7e, # CAPS LOCK (prior) |
| 597 | "\e[6~" => 0x6a, # NO SCROLL (next) |
607 | "\e[6~" => 0x6a, # NO SCROLL (next) |
| 598 | "\e[A" => 0x30, # UP |
608 | "\e[A" => 0x30, # UP |
| 599 | "\e[B" => 0x22, # DOWN |
609 | "\e[B" => 0x22, # DOWN |
| … | |
… | |
| 606 | "\e[7~" => 0x7b, # SETUP (home) |
616 | "\e[7~" => 0x7b, # SETUP (home) |
| 607 | "\e[8~" => 0x23, # BREAK (end) |
617 | "\e[8~" => 0x23, # BREAK (end) |
| 608 | "\e[8\$" => 0x23 | 0x080, # SHIFT BREAK / DISCONNECT (shift-end) |
618 | "\e[8\$" => 0x23 | 0x080, # SHIFT BREAK / DISCONNECT (shift-end) |
| 609 | "\x7f" => 0x33, # BACKSPACE |
619 | "\x7f" => 0x33, # BACKSPACE |
| 610 | |
620 | |
| 611 | "\e[11~" => 0x32, # F1 |
621 | "\e[11~" => 0x32, # PF1 |
| 612 | "\e[11~" => 0x42, # F2 |
622 | "\e[12~" => 0x42, # PF2 |
| 613 | "\e[11~" => 0x31, # F3 |
623 | "\e[13~" => 0x31, # PF3 |
| 614 | "\e[11~" => 0x41, # F4 |
624 | "\e[14~" => 0x41, # PF4 |
| 615 | ); |
625 | ); |
| 616 | |
626 | |
| 617 | @KEYMAP{map chr, 0x20 .. 0x40, 0x5b .. 0x7e} = unpack "C*", pack "H*", |
627 | @KEYMAP{map chr, 0x20 .. 0x40, 0x5b .. 0x7e} = unpack "C*", pack "H*", |
| 618 | "779ad5a9a8b8a755a6b5b6b466256575" . "351a3929283837273626d656e634e5f5" . "b9" # 20..40 |
628 | "779ad5a9a8b8a755a6b5b6b466256575" . "351a3929283837273626d656e634e5f5" . "b9" # 20..40 |
| 619 | . "154514b7a5" . "244a6879591949485816574746766706" . "050a185a0817780969077a95c594a4"; # 5b..7e |
629 | . "154514b7a5" . "244a6879591949485816574746766706" . "050a185a0817780969077a95c594a4"; # 5b..7e |
| … | |
… | |
| 648 | # skip input we can't decipher |
658 | # skip input we can't decipher |
| 649 | substr $STDIN_BUF, 0, 1, ""; |
659 | substr $STDIN_BUF, 0, 1, ""; |
| 650 | } |
660 | } |
| 651 | |
661 | |
| 652 | if ($KBD) { |
662 | if ($KBD) { |
| 653 | system "stty -icanon -icrnl -inlcr -echo min 1 time 0"; |
663 | system "stty -icanon -icrnl -inlcr -echo min 1 time 0"; # -isig |
| 654 | eval q{ sub END { system "stty sane" } }; |
664 | eval q{ sub END { system "stty sane" } }; |
| 655 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = sub { exit 1 }; |
665 | $SIG{INT} = $SIG{TERM} = $SIG{QUIT} = sub { exit 1 }; |
| 656 | } |
666 | } |
| 657 | |
667 | |
| 658 | ############################################################################# |
668 | ############################################################################# |
| … | |
… | |
| 679 | ); |
689 | ); |
| 680 | |
690 | |
| 681 | ############################################################################# |
691 | ############################################################################# |
| 682 | # process/pty management |
692 | # process/pty management |
| 683 | |
693 | |
|
|
694 | if (1) { |
| 684 | require IO::Pty; |
695 | require IO::Pty; |
| 685 | $PTY = IO::Pty->new; |
696 | $PTY = IO::Pty->new; |
| 686 | |
697 | |
| 687 | my $slave = $PTY->slave; |
698 | my $slave = $PTY->slave; |
| 688 | |
699 | |
| 689 | $PTY->set_winsize (24, 80); |
700 | $PTY->set_winsize (24, 80); |
| 690 | |
701 | |
| 691 | unless (fork) { |
702 | unless (fork) { |
| 692 | $ENV{LC_ALL} = "C"; |
703 | $ENV{LC_ALL} = "C"; |
| 693 | $ENV{TERM} = $VT102 ? "vt102" : "vt100"; |
704 | $ENV{TERM} = $VT102 ? "vt102" : "vt100"; |
| 694 | |
705 | |
| 695 | close $PTY; |
706 | close $PTY; |
| 696 | |
707 | |
| 697 | open STDIN , "<&", $slave; |
708 | open STDIN , "<&", $slave; |
| 698 | open STDOUT, ">&", $slave; |
709 | open STDOUT, ">&", $slave; |
| 699 | open STDERR, ">&", $slave; |
710 | open STDERR, ">&", $slave; |
| 700 | |
711 | |
| 701 | system "stty ixoff erase ^H"; |
712 | system "stty ixoff erase ^H"; |
| 702 | |
713 | |
| 703 | $PTY->make_slave_controlling_terminal; |
714 | $PTY->make_slave_controlling_terminal; |
|
|
715 | $PTY->close_slave; |
|
|
716 | |
|
|
717 | @ARGV = "sh" unless @ARGV; |
|
|
718 | exec @ARGV; |
|
|
719 | } |
|
|
720 | |
| 704 | $PTY->close_slave; |
721 | $PTY->close_slave; |
| 705 | |
722 | } else { |
| 706 | @ARGV = "sh" unless @ARGV; |
723 | open $PTY, "+</dev/null" |
| 707 | exec @ARGV; |
724 | or die "/dev/null: $!"; |
| 708 | } |
725 | } |
| 709 | |
|
|
| 710 | $PTY->close_slave; |
|
|
| 711 | |
726 | |
| 712 | ############################################################################# |
727 | ############################################################################# |
| 713 | # the actual hardware simulator |
728 | # the actual hardware simulator |
| 714 | |
729 | |
| 715 | my @ICACHE; # compiled instruction/basic block cache |
730 | my @ICACHE; # compiled instruction/basic block cache |
| … | |
… | |
| 721 | (vec $RIN, 0, 1) = 1 if $KBD; |
736 | (vec $RIN, 0, 1) = 1 if $KBD; |
| 722 | (vec $RIN, fileno $PTY, 1) = 1 if $PTY; |
737 | (vec $RIN, fileno $PTY, 1) = 1 if $PTY; |
| 723 | |
738 | |
| 724 | # the cpu. |
739 | # the cpu. |
| 725 | while () { |
740 | while () { |
| 726 | # execute extended basic blocks |
741 | # execute an extended basic block |
| 727 | $PC = ($ICACHE[$PC] ||= do { |
742 | $PC = ($ICACHE[$PC] ||= do { |
| 728 | my $pc = $PC; |
743 | my $pc = $PC; |
| 729 | |
744 | |
| 730 | my $insn = ""; |
745 | my $insn = ""; |
| 731 | |
746 | |
| … | |
… | |
| 754 | |
769 | |
| 755 | |
770 | |
| 756 | $insn .= $pc; |
771 | $insn .= $pc; |
| 757 | $insn =~ s/\x00.*$//s; |
772 | $insn =~ s/\x00.*$//s; |
| 758 | |
773 | |
| 759 | eval "use integer; sub { $insn }" or die "$insn: $@" |
774 | eval "sub { $insn }" or die "$insn: $@" |
| 760 | })->(); |
775 | })->(); |
| 761 | |
776 | |
| 762 | ++$CLK; |
777 | ++$CLK; |
| 763 | |
778 | |
| 764 | # things we do from time to time only |
779 | # things we do from time to time only |
| 765 | unless ($CLK & 0xf) { |
780 | unless ($CLK & 0xf) { |
| 766 | # do I/O |
781 | # do I/O |
| 767 | |
782 | |
| 768 | unless ($CLK & 0xfff) { |
783 | unless ($CLK & 0xfff) { |
| 769 | if (select $x = $RIN, undef, undef, $POWERSAVE < 100 ? 0 : 0.2) { |
784 | if (select $x = $RIN, undef, undef, $POWERSAVE < 10 ? 0 : $CURSOR_IS_ON && 3600) { |
| 770 | |
785 | |
| 771 | # pty/serial I/O |
786 | # pty/serial I/O |
| 772 | if ($PTY && (vec $x, fileno $PTY, 1) && (@PUSARTRECV < 128) && !@KQUEUE) { |
787 | if ($PTY && (vec $x, fileno $PTY, 1) && (@PUSARTRECV < 128) && !@KQUEUE) { |
| 773 | sysread $PTY, my $buf, 256; |
788 | sysread $PTY, my $buf, 256; |
| 774 | |
789 | |
| 775 | # linux don't do cs7 and/or parity anymore, so we need to filter |
790 | # linux don't do cs7 and/or parity anymore, so we need to filter # out xoff characters to avoid freezes. |
| 776 | # out xoff characters to avoid freezes. |
|
|
| 777 | push @PUSARTRECV, grep { ($_ & 0x7f) != 0x13 } unpack "C*", $buf; |
791 | push @PUSARTRECV, grep { ($_ & 0x7f) != 0x13 } unpack "C*", $buf; |
| 778 | } |
792 | } |
| 779 | |
793 | |
| 780 | # keyboard input |
794 | # keyboard input |
| 781 | if ($KBD && (vec $x, 0, 1)) { |
795 | if ($KBD && (vec $x, 0, 1)) { |
