Commit Graph

17 Commits

Author SHA1 Message Date
Adrian Conlon
769c65394b The extra _getch isn't required as I fix the MC6809 CPU emulation.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-10-14 20:38:07 +01:00
Adrian Conlon
f58e3ded83 Use corrected MC6850 in MC6809 test board. Working a little better now.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-09-30 23:10:03 +01:00
Adrian Conlon
8ea7bf5d68 Refactoring on the MC6850 and associated test board code.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-09-29 14:31:50 +01:00
Adrian Conlon
de5a9963e0 More MC6850 updates
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-09-29 10:06:02 +01:00
Adrian Conlon
861fc28bba Wire up the MC6850 events to the board
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-09-25 23:57:20 +01:00
Adrian Conlon
9ab075d0f6 Incorporate the concepts of transmission and receipt into the events for the MC6850 (TBC)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-09-24 08:29:11 +01:00
Adrian Conlon
d77c2a1e9d Add more of the MC6850 internals.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-09-23 20:31:55 +01:00
Adrian Conlon
b3faa0bb2e Wire the MC6850 chip into the MC6809 test code.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-09-23 13:14:10 +01:00
Adrian Conlon
6bb8118c7f Add miscellaneous documentation and test gubbins
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-09-21 00:17:25 +01:00
Adrian Conlon
9e91d2adad Plug the 8K hole in the address space of the Grant Searle SBC with 0xff (held high)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-09-16 19:49:52 +01:00
Adrian Conlon
7d840f1a42 Modifying the manner in which memory is mapped, allows a fairly clean mechanism for loading Intel "hex" files.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-09-15 14:35:59 +01:00
Adrian Conlon
8e0c1ebcde Modify the 6809 disassembler a little to give output more like xroar (for comparison purposes)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-08-30 01:37:09 +01:00
Adrian Conlon
a5e51f7140 Simplify the 6809 disassembler usage a little.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-08-27 10:43:12 +01:00
Adrian Conlon
974d5fbd14 Only show disassembled output, when there is actually something to show (fixes 6809 startup/interrupt sequence)
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-08-27 10:25:15 +01:00
Adrian Conlon
983e2a5eb2 Start fleshing out the 6809 disassembler.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-08-27 01:19:22 +01:00
Adrian Conlon
87b7295fe8 Remove unused "Resource" folder from the 6809 test project
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-08-27 01:18:49 +01:00
Adrian Conlon
e88cbc269b Add a skeletal half way house between a 6809 tester and a CoCo 2 emulator.
Signed-off-by: Adrian Conlon <Adrian.conlon@gmail.com>
2018-08-26 19:09:34 +01:00