Giters
spjewkes
/
jrnz
A work-in-progress ZX Spectrum emulator
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Stargazers:
1
Watchers:
2
Issues:
57
Forks:
spjewkes/jrnz Issues
Loading a z80 game with a space in the title caused the game not to run
Updated
3 months ago
Comments count
3
Cobra z80 snapshot has some issues
Updated
3 months ago
Inca Curse Z80 is not loading
Closed
3 months ago
Comments count
11
Debugger gets first instruction wrong if we're immediately handling something like a interrupt
Updated
3 months ago
Look at separating out the Z80 code from the rest of the project
Updated
3 months ago
Improve keyboard shortcuts on emulator
Updated
3 months ago
Add joystick support
Updated
3 months ago
Comments count
1
Improve ULA graphics accuracy
Updated
3 months ago
Improve beeper to remove stuttering and possibly add some filtering
Updated
3 months ago
Comments count
2
Cyclone and Dan Dare failing due to unsupported interrupt mode 0
Closed
4 months ago
Comments count
1
Remove linker warnings on Mac build (ignoring duplicate libraries)
Updated
4 months ago
Catch2 doesn't build on raspberry pi
Closed
4 months ago
Comments count
1
Valhalla snapshot immediately crashes.
Closed
3 months ago
Comments count
1
Implement a way to read z80 format files
Closed
3 months ago
Comments count
3
UNKNOWN OPCODE: 0x00ddcb36 (SLL)
Closed
4 months ago
Comments count
3
RRD and RLD are failing in Z80DOC with an unknown opcode
Closed
4 months ago
Comments count
6
NEG instruction is failing in the Z80DOC tester with an invalid CRC check
Closed
4 months ago
Comments count
2
Instructions LDD and LDI are failing on the Z80DOC test
Closed
4 months ago
Comments count
2
Raspberry Pi build fails in a number of ways
Closed
4 months ago
Comments count
6
z80doc is reporting issue with tests for daa, cpl, scf, ccf
Closed
4 months ago
Comments count
5
Look at using catch2 to add some benchmarks
Updated
4 months ago
Typing 'br <addr>' into the debugger goes into an infinite loop
Updated
4 months ago
Bootup is showing inverted text
Closed
4 months ago
Comments count
8
PAUSE command fails
Closed
4 months ago
Comments count
1
Need to investigate the half carry flag
Closed
4 months ago
Comments count
1
NEG instruction is broken.
Closed
4 months ago
Comments count
1
Overflow is completely broken
Closed
4 months ago
Comments count
1
Reorganise the project
Updated
4 months ago
Comments count
1
ZX Spectrum rom - divergence at address 0x12da
Closed
4 months ago
Comments count
3
Problem with ZX Spectrum ROM
Closed
5 years ago
Comments count
1
StorageElement needs a massive rethink
Updated
5 years ago
Program is hanging when PC hits 0xffff with memory zero'ed to NOPs
Closed
5 years ago
Comments count
1
Make ROM read only
Updated
5 years ago
Can we improve the EX instructions?
Updated
7 years ago
Instruction "ld (iy+*),*" appears to be not working as expected
Closed
7 years ago
Comments count
1
Get rid of operands that hardcode number literals
Updated
7 years ago
Instructions shouldn't need to be explicit about operands that are implicit
Updated
7 years ago
Get rid of instruction string.
Updated
7 years ago
Comments count
1
Get rid of instruction type in favour of specialized classes.
Updated
7 years ago
Get rid of 'handled' booleans when creating StorageElements
Closed
7 years ago
Comments count
1
Implement the R register correctly
Updated
7 years ago
Refactor StorageElement to have an 8bit and 16bit version
Updated
7 years ago
Move instruction table to somewhere more appropriate
Updated
7 years ago
Could we make Operand a class
Updated
7 years ago
is_cond_set() could a member variable on conditional
Updated
7 years ago
Clean up do_ld_block()
Closed
7 years ago
Comments count
1
Implement interrupts properly
Updated
7 years ago
The function impl_sub() seems to be setting the overflow according to the carry bit
Closed
4 months ago
Comments count
1
Instructions should tell the main loop how to increment the PC
Updated
7 years ago
Check half overflow flag for 16 bit values
Updated
7 years ago
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