TODO:

- NaN in cycle count for macros
- debugging of scan line overflow
- confuse code/data in listing
- show memory locations hovering over lines
- don't play sound when debugging
- don't check against ROM signatures
- better errors when ROM format wrong
- debugging inside of bank switching??? relocated segs?
- support 6502 test cases
- DASM: macro forward refs
- support narrow screens
- show other TIA internal values
- case sensisitvity looking for mismatch variables
- remove pulldown when no preset?
- can't step after reset (or when funky frame; TIA frame is out of sync)
- break on BRK/illegal opcode?
- multiple breakpoints, expression breakpoints
- use localForage (https://github.com/localForage/localForage)

- cc65 listing file parsing
- better disasm/listing selection
- disasm for z80
- projects w/ include files
- watchpoints
- breakpoints
- debug inspector
- MAME single step (?)
- step over
- slowdown beam for all platforms?
- kbd shortcuts


WEB WORKER FORMAT

{code,platform,tool,dependencies}
{preload}

new:

{infiles,buildsteps}
[{filepath,platform,tool}]

implicit rules
- push/shift build steps
- preprocessor, compile, assemble, link
- access to intermediate files

only build files that have changed

build options