NSF Driver and Export Fixes

[Gumball2415]

This pull request aims to fix various bugs regarding NSF driver export and execution.

This pull request improves upon and supercedes #156.

Changes in this PR:

• Major export refactoring
  • Use CCompiler pointer for writing ASM export title
  • Decouple NSFDRV header from driver data
  • Add NSF stub file for .asm export
  • Fix assembly period table export
  • Fix VRC7 period table assembly export
  • Implement "glob" multichip assembly export
  • Ignore invalid pattern data upon NSF export
    • Fixes #215
  • Specify what parts of pattern data are invalid
  • Differentiate between error and warning colors
  • Account for HOLD_INSTRUMENT in pattern checking
  • Specify overflow in driver bank allocation
  • Refactor compressed mode size calculation
  • Include N163 period table in .asm export
  • Declare alignment for first DPCM sample in assembly export
  • Remove hardcoded bank references in assembly song header
  • Implement bankswitched assembly config exports
  • Add bank 0 for nonbankswitching config
  • Refactor NSFe metadata generation
  • Fix NES ROM export data alignment
    • Fixes #278
  • Fix DPCM segment start address in nonbankswitching assembly
  • Refactor multifile export
• NSF driver fixes
  • Fix N163 instrument load clobbering Kxx state
    • Fixes #224
    • Fixes #260
    • Iterates on #156
  • Fix S5B init clobbering Kxx state
    • Fixes #256
    • Fixes #246
    • Fixes #215
  • Write carrier frequency regardless of Kxx state
    • Fixes #196
  • Fix phase reset behavior
  • Refactor phase reset code
  • Update effect bytecodes in row skip handling
    • Fixes #183
  • Handle Gxx delay commands in both row and frame transitions
    • Fixes #207
  • Fix S5B instrument duty envelopes
    • Fixes #267
  • Clamp pitch and hi-pitch envelope period results
  • Enable pitch sliding in linear pitch mode
  • Implement linear pitch period limit
  • Correct linear pitch calculation sequence
• Internal fixes
  • Fix debug constexpr
• In-beta issue (#276):
  • Refactor Pitch/HiPitch bend logic
  • Apply N163 slide shift if linear pitch is disabled
    • Addresses #276
  • Refactor period limit subroutine
    • Fixes #276.
  • Fix N163 portamento shift in linear period
    • Fixes #276

Leafuw, nyanpasu64, and Zeta, thank you for your help!

[Gumball2415]

TODO: fix linear pitch pitch sequences TODO: fix filename handling with two filetype extensions

[Gumball2415]

TODO: fix asm export DPCM start address issue with beep.dnm

[Gumball2415]

TODO: fix linear pitch pitch sequences

fixed in 4ce047dda2e9d2870039c3aa5b241b0b675b7576

TODO: fix asm export DPCM start address issue with beep.dnm

fixed in fa05bd9