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New modern looking game for DOS (Post Apocalyptic Petra) (Announce)

posted by Laaca Homepage, Czech republic, 30.05.2020, 15:13

Please, try whether the sound works for you.
I have two DOS machines.
The older has real SB16 card in ISA slot and the sound is OK.
The newer has SB-Live! and I have problems there. Neither in DOS with SB emulation drivers neither in Win98 DOS prompt I can not hear any sound.


This problem is deeper that it seems to be.
In whole my life I have never found any Freepascal source code which reliably works with DOS soundcards.
Especially problematic are the PCI soundcards relying on the SB emulation.
In the past I made some i_n_v_e_s_t_i_g_a_t_i_o_n_s (WHY THE HELL THE FORUM HATES THIS WORD?) about it and it seems that here exist some problem with DMA transfers which occurs in the FPC programs.
The only reliably working solution are the sound libraries which have the sound card interfacing code in real mode. (like Miles sound system).
But when the handling is done in protected mode than it ususaly does not work under SB legacy emulation neither even under ISA hardware.
Whole this thing with FPC sound is strange because it uses the same 32-environment like DJGPP and all DJGPP/Allegro based programs work normaly on my systems...

In case of interrest I can upload a set of DOS-FPC audio programs for testing but for now please try the PA Petra.

---
DOS-u-akbar!

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