Z64K Emulator Has A New Release

07/25/2020

1752

Z64K developer William McCabe has been hard at working updating Z64K.
This is an updated release of v1.2.4 – [Build 20200716.1329]
The following changes have been made since I last updated this application.

25 July – Version 2 of Z64K only

Atari 2600 drop and drag cartridge
Save machine model settings (c64 and c128 only)

16 July

* Include 8562 (NTSC) and 8565 (PAL) grey dot options of VICII for C64. Rename C128 VICIIe options to 8564 (NTSC) and 8566 (PAL). Removed 6567R56A (old NTSC) option for C128. *Version 2 of Z64K Only
Fixed IRQ timing for CBM drive 1571 . Timera.prg passes from the VICE test repository

12 July – Version 2 of Z64K only

C128 VICII uses correct RAM block when MMU RAM banks 2 & 3 are enabled.
Fixed fatal error when attempting to start stand alone SID player caused by 6 July update .

11 July – Version 2 of Z64K only

fixed ROM handling for VIC 20. Fixes NTSC mode and Custom ROMs.
fixed load address out of range when loading file with machine monitor.

7 July – Version 2 of Z64K only

Fixed bug with ROM configuration which caused a fatal error with C128 emulation if settings were opened before starting the emulation.

6 July- Version 2 of Z64K only

Fix timing of CPM cartridge when using C128 emulation.
Fix debugging output of CPM cartridge.
All screen attributes are immediately refreshed when the emulator is paused the same as when the emulation is running normally.
Debug mode of screen available when the machine monitor is active which shows progress of current frame being generated. A white dot shows current position of raster beam.

28 June

Support for the new format of HVSC songlengths.md5 with SID player

27 June – Version 2 of Z64K only

Fixed bug with C128 PIA where zero page and page 1 were not immediately updated when PIA RAM banks updated. piaglobe test program works without glitches now.

21 June – Version 2 of Z64K only

Some internationalization support. Available in Global settings ==> Language

20 June – Version 2 of Z64K only

Fixed play/pause button of SID Player to be able to start playing again after being paused.

10 June

Mirror 1541 VIA registers across entire range ($1800-$1bfff and $1c00-$1fff) – allows latest Krill loaders to work

9 June – Version 2 of Z64K only

re-enabled code I forgot to enable after implementing some updates to d030 testbit behaviour. The disabled code was causing a fatal crash of c128 if testbit was set but not reset. e.g. poke 53296,2

8 June – Version 2 of Z64K only

Fixed stuck bit behaviour for REU size 128KB (1700) and 256KB (1764)

7 June – Version 2 of Z64K only

Customisable REU ram sizes
Included some missing Z80 opcodes.

6 June – Version 2 of Z64K only

Fixed bug that caused cartridges with relocatable IO to disconnect if being swapped to a lower IO range. (DIGIMAX, Swiftlink and PIA)
Display correct file size in disk preview for files greater than 255 blocks
Option for8 bit userport DAC

4 June

Fixed bug with VDC where latches would sometimes not reload during vertical scrolling of bitmap screen

3 June – Version 2 of Z64K only

Fixed a bug with the SID selection UI sometimes not updating the SIDIO correctly.

2 June – Version 2 of Z64K only

Support for up to 8 SID chips! Tested with The tuneful EIGHT which runs at full speed without glitches on my system but slower systems may struggle with all eight SIDs active at the same time.Option via settings ==>Machine Settings==>SID==>STEREO SID.
Following is an example of the command line options to start The tuneful EIGHT with eight SID chips active (7 extra SID chips) and 8580 (sidenginemodel 257) selected:-

z64k.jar c64 -stereosid 7 -sid2address d420 -sid3address d480 -sid4address d4a0 -sid5address d500 -sid6address d520 -sid7address d580 -sid8address d5a0 -sidenginemodel 257 D:\c64\test\prg\the-tuneful-eight.prg
Fixed command line option for -sidenginemodel when selecting 8580 at startup.

31 May -Version 2 of Z64K only

Include cartridge image in snapshots

30 May -Version 2 of Z64K only

c128 ROM revision selection
ROM select all
VIC 20 bug fix when swapping NTSC/PAL
screenshot menu item
Hotkey help text

29 May – Version 2 of Z64K only

enable file drag and drop.

28 May – Version 2 of Z64K only

Customisable joystick keymapping available via Settings==>Machine settings==>Controllers for all emulations.
Machine monitor help text for individual commands.
Support for Action Replay 2, 3 and 4 CRT cartridge formats,

23 May-Version 2 of Z64K only

Added help (?)command to machine monitor (WIP) – shows most but not all available commands

22 May

Improved Retro Replay status flag
Fixed bug with bank selection for Retro Replay Cartridge.
Added option to allow flashing of Retro Replay Cartridge (Version 2 of Z64K only)

21 May -Version 2 of Z64K only

Improved DMA timing of REU. All tests in VICE test repository pass.

20 May – Version 2 of Z64K only

Improvements to REU emulation.
– rmw-trigger tests pass.
– DMA timing stays at 1Mhz when C128 in 2Mhz mode.
Added support for Atomic Power, Super Snapshot V4 and Snapshot64 CRT types.
Full list of currently supported CRT types in version 2:-
0 – NORMAL
1 – ACTIONREPLAY
2 – KCSPOWERCARTRIDGE
3- FINALCARTRIDGEIII
4 – SIMONSBASIC
5 – OCEANTYPE1
6 – EXPERT
7 – FUNPLAY
8 – SUPERGAMES
9 – ATOMICPOWER
10 – EPYXFASTLOAD
13 – FINALCARTRIDGE1
15 – GAMESSYSTEM
17 – DINAMIC
18 – ZAXXON
19 – MAGICDESK
20 – SUPERSNAPSHOTV5
21 – COMAL80
32 – EASYFLASH
36 – RETROREPLAY
40 – SUPERSNAPSHOTV4
47 – SNAPSHOT64
53 – PAGEFOX
60 – GMOD2

18 May

Fixed fatal error when REU DMA occurred before assigning a value to REU register 6

15 May

Fixed Comal80 CRT type
Fixed Magic Desk CRT type

12 May

Change LXA magic number back to 0xee to match my real hardware. Cracked versions of Wizball work again.

9 May

Can insert Retro Replay and REU at thesame time (Version 2 of Z64K only)

8 May

Added Retro Replay CRT support

5 May

Updated magic constant for 6502 LXA. LXAand FLIBUG tests pass from the VICE test repository
Minor fix to interrupt trigger timing for CIA SDR so it triggers the same time as SDR is set (4 cycle delay). cia-sp-test-oneshot-old.prg passes now which means all VICE test repository tests pass.

4 May

More updates to CIA SDR flag behaviour so cia-sdr-icr-new and cia-sdr-icr-old test programs pass.
Some improvements to the CIASDR flag behaviour based on the cia-sdr-icr-new.prg test program in the VICE test repository.