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Implement compile definition RUNTIME_TABLES, which enables putting the pointers to delay and sample tables to stack.

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Useful for the eventual API to be able to modify the delay and sample tables during runtime.
This commit is contained in:
Veikko Sariola
2020-11-02 23:05:12 +02:00
parent c7c752cd73
commit ccb6434fac
8 changed files with 39 additions and 0 deletions
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16
include/sointu/footer.inc
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@ -147,6 +147,14 @@ struc su_stack ; the structure of stack _as the units see it_
.row RESPTR 1 ; which total row of the song are we at
.tick RESPTR 1 ; which total tick of the song are we at
.randseed RESPTR 1
%ifdef RUNTIME_TABLES ; RUNTIME_TABLES move these table ptrs to stack
%if DELAY_ID > -1 ; allowing them to be in the heap &
.delaytimes RESPTR 1 ; modifying them safely & having many synths
%endif
%ifdef INCLUDE_SAMPLES
.sampleoffs RESPTR 1
%endif
%endif
%ifdef INCLUDE_MULTIVOICE_TRACKS
.voicetrack RESPTR 1
%endif
@ -344,6 +352,14 @@ EXPORT MANGLE_FUNC(su_render_song,PTRSIZE) ; Stack: ptr
xor eax, eax
%ifdef INCLUDE_MULTIVOICE_TRACKS
push VOICETRACK_BITMASK
%endif
%ifdef RUNTIME_TABLES ; runtime tables is actually only useful in the api use case, but it's nice it works also in the render case
%ifdef INCLUDE_SAMPLES
do push ,MANGLE_DATA(su_sample_offsets) ; &su_sample_offsets is in the stack, instead of hard coded
%endif
%if DELAY_ID > -1
do push ,MANGLE_DATA(su_delay_times) ; &su_delay_times is in the stack, instead of hard coded
%endif
%endif
push 1 ; randseed
push _AX ; global tick time