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65xx_and_c64_docs
add VICE c64/65xx documentation from http://www.viceteam.org/plain/64…
December 21, 2013 20:17
docs
map recent PS2 key presses at $FFD40xx
January 19, 2014 13:10
ipcore_dir
Cleanup and making it work again
March 13, 2016 07:44
tests
update font
December 16, 2014 10:54
4510tables.c
fix bug in addressing mode table generation. Issue #25
February 2, 2014 20:18
64net.opc
fix addressing mode for $B2 to ($nn),Z
November 8, 2014 20:10
8x8font.png
Cleanup and making it work again
March 13, 2016 07:44
CREDITS.SID
begin adding in stereo SIDs
July 1, 2014 20:37
DCM_1x_2x.vhd
implement alpha blender reference implementation from Xilinx.
October 30, 2014 21:15
Makefile
Cleanup and making it work again
March 13, 2016 07:44
README.TXT
add note regarding ROMs and building.
January 21, 2014 21:20
README.md
Indicate where active development is now occurring
November 15, 2017 06:48
Ram2Ddr.vhd
replace Digilent DDR wrapper with my own, using theirs as a starting
March 4, 2015 16:03
UART_TX_CTRL.vhd
put uart monitor at 48MHz to match CPU to simplify timing between
July 3, 2014 10:42
alpha_blend_top.vhd
put signals in the right place
November 20, 2014 21:47
bcdadder.vhdl
fix various bugs. now seems complete.
December 26, 2013 20:17
bitplane.vhdl
fix compilation errors.
July 15, 2015 07:59
bitplanes.vhdl
tweak debug output for bitplanes
October 22, 2015 22:25
c64accel.xise
Cleanup and making it work again
March 13, 2016 07:44
c65-rom-annotations.txt
further document sector write routine.
September 16, 2014 05:31
c65uart.vhdl
debug register reading from C65 UART
January 5, 2016 08:39
chargen_debug.c
change debug output to show next_charrow instead of chardata
January 30, 2014 19:54
cia6526.vhdl
try renaming some signals to avoid GHDL 0.31 simulation compilation
December 16, 2014 10:54
container.prj
update project for renamed UART from 6551 to c65uart
October 18, 2015 17:05
container.ucf
fix name of signals
October 18, 2015 06:23
container.vhd
Cleanup and making it work again
March 13, 2016 07:44
cpu6502.ucf
pull in existing vhdl sources
December 20, 2013 10:41
cpu_test.vhdl
plumb C65 UART @ $D600 to pins 1 and 2 on PMOD connector JC.
October 17, 2015 19:51
cputest.a65
refactoring
January 21, 2014 20:44
cputypes.vhdl
add microcode array type in preparation to moving microcode to
October 24, 2015 20:09
crc.vhdl
improve debug output for ethernet CRC calculation.
August 5, 2014 09:17
ddrwrapper.vhdl
add some debug measures to DDR controller
October 18, 2015 17:04
debugtools.vhdl
begin adding fastram interface back into CPU.
January 12, 2014 14:56
dis4510.c
make ROM disassembly include C65 BASIC. Issue #35
March 17, 2014 02:20
diskchooser.a65
update name to MEGA65
October 4, 2015 17:31
diskmenu.a65
Added missing copy of latest entry into new position.
January 29, 2016 20:58
diskmenuc000.a65
build kickstart with diskmenu instead of diskchooser.
December 27, 2015 12:10
diskmenuprg.a65
build kickstart with diskmenu instead of diskchooser.
December 27, 2015 12:10
dual_stream_blend.vhd
switch to unix encoding
December 13, 2014 21:11
em4510.c
begin work on address resolution in 4510 emulator.
March 7, 2014 12:42
etherkick.c
go some way towards having etherkick reset to non-etherkicking mode
April 19, 2015 09:54
etherload.a65
replace old etherload with new etherload that includes ARP.
March 19, 2015 14:55
etherload.c
Make etherload.c work on windows.
March 20, 2015 15:48
etherload_done.a65
fix exit to basic.
November 3, 2014 16:44
etherload_stub.a65
fix more bugs in etherload: now DMAs correctly. next step is to
November 2, 2014 22:18
ethernet.vhdl
don't RX ethernet frames onto the buffer that the CPU is looking
November 3, 2014 13:23
ethertest.a65
improve simple ethernet RX test program to work with ethernet
November 4, 2014 16:58
fontfiddle.c
write little program to draw 8x8 blocks in charrom file.
April 9, 2015 11:44
fpgatemp.vhd
Cleanup and making it work again
March 13, 2016 07:44
framepacker.vhdl
try to fix thumbnail jiggling.
October 29, 2014 22:28
ghdl-frame-gen.c
remove debugging
October 6, 2014 21:34
ghdl_alpha_blend.vhdl
try to fix overflow in alpha blender.
November 23, 2014 17:49
ghdl_chipram8bit.vhdl
add one more missing memory wait-state to badline screen ram
October 26, 2014 19:59
ghdl_farstack.vhdl
really fix multiple driver problem
November 15, 2014 19:31
ghdl_ram128x1k.vhdl
prepare for storing full CPU state of last 1024 cycles in uart
July 15, 2014 06:14
ghdl_ram151x512.vhdl
more compiler error fixes for cache.
March 8, 2015 13:34
ghdl_ram18x2k.vhdl
try to fix more duplicate assembly labels for GHDL 0.31 simulation
December 15, 2014 21:10
ghdl_ram8x4096.vhdl
add 4KB memory to model.
July 30, 2014 02:34
ghdl_ram8x512.vhdl
fix sd card sector buffer access. now reads and writes in ghdl.
July 23, 2014 16:08
ghdl_ram8x64k.vhdl
use coregen generated 32KB colour RAM instead of my GHDL-compatible
April 5, 2015 13:00
ghdl_ram9x4k.vhdl
add debug facility to allow writing to bitplane buffer directly
October 20, 2015 02:10
ghdl_screen_ram_buffer.vhdl
put some default values in screen ram buffer to help work out where
July 13, 2014 15:29
ghdl_videobuffer.vhdl
plumb in video buffer so that ethernet should start sending real
September 7, 2014 20:20
gs4510.vhdl
Cleanup and making it work again
March 13, 2016 07:44
iomap.txt
fix designation of MEGA65 specific registers in C65 UART
January 4, 2016 21:21
iomapper.vhdl
update iomapper reflecting that c65uart doesn't use a cs line
October 19, 2015 17:32
kernel65.a65
begin implementing BBS/BBR instructions.
February 14, 2014 15:30
keymapper.vhdl
make time since RESTORE up available via C65 UART register for
January 4, 2016 19:04
kickstart.a65
Cleanup and making it work again
March 13, 2016 07:44
kickstart_dos.a65
parse LFN characters 53-63 (piece 4)
January 6, 2016 21:48
kickstart_machine.a65
update list of hypervisor register addresses
January 3, 2016 08:12
kickstart_mem.a65
begin implementing core DOS/OS system trap calls.
April 6, 2015 13:06
kickstart_process_descriptor.a65
start factoring task management tasks out to a separate file.
April 6, 2015 16:30
kickstart_task.a65
use proper return from trap symbol.
September 23, 2015 20:17
load.java
trying to tweak data loader. still has problems.
October 18, 2014 15:46
machine.vhdl
Cleanup and making it work again
March 13, 2016 07:44
makerom
make kickstart ROM entrypoint at $8000. Fix makerom bugs.
October 19, 2014 19:58
makeslowram
work on plumbing in dummy slowram with C65GS ROM for simulation of
August 7, 2014 09:23
mega65.xise
Cleanup and making it work again
March 13, 2016 07:44
mega65_64x64.png
MEGA65 Logo 0.2
April 19, 2015 20:17
mkversiona65.sh
display GIT commit id in kickstart (can't be trusted if in a kickup
April 19, 2015 18:57
monitor_drive.c
make work with C65 ROM in C64 mode.
March 29, 2014 16:04
monitor_load.c
work on fast simple ethernet based memory loader.
November 2, 2014 20:13
pngprepare.c
fix warnings
April 14, 2015 08:42
ramlatch64.vhdl
ramlatch was always delaying address, which meant removing wait
April 12, 2014 04:22
read_mem.c
add program for extracting memory from running C65GS.
March 18, 2014 16:56
rom_4k_template.vhdl
add missing ROM template.
February 12, 2014 05:22
rom_template.vhdl
make kickstart ROM 16KB in preparation for rebirthing as hypervisor
October 19, 2014 19:56
rxvideo.c
report on number of bytes used to encode a frame.
September 9, 2014 10:03
sd.vhdl
implement 1/2 speed mode for SD cards that don't like 24.5MHz SPI
November 17, 2014 09:37
sdcardio.vhdl
make leds 15 and 14 show speed gate and speed gate enable lines.
September 28, 2015 20:23
serialproxy.c
support multiple simultaneous clients.
September 10, 2014 21:03
shadowram.vhdl
add some instructions at $2000 for convenient debug with simulation.
July 13, 2014 20:39
showthumbnail.a65
improve display. make unused pixels transparent. do palette lookup
October 29, 2014 22:04
sid_6581.vhd
add drive stage to reset in various components to improve timing clos…
September 20, 2015 16:14
sid_coeffs.vhd
begin adding in stereo SIDs
July 1, 2014 20:37
sid_components.vhd
remove stale package import that stopped GHDL 0.31 compilation
December 14, 2014 16:28
sid_filters.vhd
begin adding in stereo SIDs
July 1, 2014 20:37
sid_voice.vhd
begin adding in stereo SIDs
July 1, 2014 20:37
slowram.vhdl
map ROM from 2nd 64KB RAM for temporary work around for running
April 3, 2015 07:42
slowram_template.vhdl
fix interpretation of OE line in slowram simulation.
August 7, 2014 16:25
sprite.vhdl
make bitplanes.vhdl derived from sprite.vhdl.
July 13, 2015 21:21
sprite_iv.vhdl
fix typo.
October 13, 2014 20:03
tb_adder.vhdl
fix bugs in CMP/CPX/CPY
January 26, 2014 08:57
tb_cia.vhdl
update to accommodate widened register address.
January 26, 2014 13:48
uart_monitor.vhdl
match field width
January 2, 2016 22:00
uart_rx.vhdl
put uart monitor at 48MHz to match CPU to simplify timing between
July 3, 2014 10:42
upload.py
add python script for uploading files (slowly) via serial monitor.
January 23, 2014 22:22
version-template.vhdl
add build information to serial monitor to help with debugging.
June 28, 2014 22:31
version.sh
display GIT commit id in kickstart (can't be trusted if in a kickup
April 19, 2015 18:57
vicii_sprites.vhdl
add debug facility to allow writing to bitplane buffer directly
October 20, 2015 02:10
viciv-modes.md
fix typo in a comment and add some information about VIC-IV new
June 19, 2014 06:07
viciv.vhdl
don't fetch bitplanes if bitplane mode is turned off.
October 23, 2015 19:29
videoproxy.c
add message on exit
November 9, 2014 22:12
vncserver.c
trying to tweak data loader. still has problems.
October 18, 2014 15:46