Improve APU stability

[Coto]

a new PocketSPC (v9) core was integrated here (Coto88 / snemulds / issues / #15 - fix SnemulDS sound stuttering — Bitbucket)

but as a side effect, the APU seems to hang up, possibly due to inconsistent APU ↔︎ SPC Ports ↔︎ SNES CPU comms.

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The issue: causes lockups between game transitions

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Fix it

[Coto]

improve APU stability 1

Coto88 / snemulds / Commit e549bc4e6ec1 — Bitbucket

[Coto]

Isolated pocketspc 0.9 to a stable branch; blackscreen mid scenes so :

• fix the mid screen blackscreens using the new APU code
• push to TGDS1.65 to emit a stable release meanwhile

Coto88 / snemulds / Commit a2bca5ae5ef4 — Bitbucket

Coto88 / snemulds / Commit 9f74e0234f48 — Bitbucket

Coto88 / snemulds / Commit b8053410bdaa — Bitbucket

Coto88 / snemulds / Commit e6e9e8fcfc5b — Bitbucket

[Coto]

-fixed mid scene blackscreens using the new APU code: https://bitbucket.org/Coto88/snemulds/commits/daeb7873ad2eaaa4639e76f1d040865d975ec1be

https://bitbucket.org/Coto88/snemulds/commits/b8053410bdaa71d87e3d04ac04549cda0757dc18

https://bitbucket.org/Coto88/snemulds/commits/e6e9e8fcfc5b4c1e3307af45cd468b2ce06a9fa7

[Coto]

Next (and final) issue to fix:

Coto88 / snemulds / issues / #17 - Re-do SnemulDS 0.6a port to TGDS + merge all enhancements from TGDS SnemulDS0.6d — Bitbucket