Proposals / #1422

Mac UNICODE_IsControlChar: int32_t __fastcc (byte byChar in CL)

checked · by KierTaylor · submitted 2026-11-08

Resubmit of #1294 with the Mac register convention __fastcc, as the reviewer asked; parameters are unchanged. The body reads only CL and returns an explicit 0/1 in EAX. There are no stack-arg reads. Caller: UNICODE_GetWideCharCount 0x002b838b. Windows twin 0x005276e0.

Changes 1, applied together

1. Set prototype mac 0x002b8317

   signatureundefined UNICODE_IsControlChar(void)→int32_t UNICODE_IsControlChar(byte byChar)
   conventionunknown→__fastcc