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feat: add the ability to use Sointu as a sync-tracker

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There is a new "sync" opcode that saves the top-most signal every 256 samples to the new "syncBuffer" output. Additionally, you can enable saving the current fractional row as sync[0], avoiding calculating the beat in the shader, but also calculating the beat correctly when the beat is modulated.
This commit is contained in:
vsariola
2021-03-09 23:47:27 +02:00
parent a3bdf565fd
commit 99dbdfe223
30 changed files with 375 additions and 88 deletions
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28
vm/compiler/x86_macros.go
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@ -354,15 +354,25 @@ func (p *X86Macros) FmtStack() string {
}
func (p *X86Macros) ExportFunc(name string, params ...string) string {
if !p.Amd64 {
reverseParams := make([]string, len(params))
for i, param := range params {
reverseParams[len(params)-1-i] = param
}
p.Stacklocs = append(reverseParams, "retaddr_"+name) // in 32-bit, we use stdcall and parameters are in the stack
if p.OS == "windows" {
return fmt.Sprintf("%[1]v\nglobal _%[2]v@%[3]v\n_%[2]v@%[3]v:", p.SectText(name), name, len(params)*4)
}
numRegisters := 0 // in 32-bit systems, we use stdcall: everything in stack
switch {
case p.Amd64 && p.OS == "windows":
numRegisters = 4 // 64-bit windows has 4 parameters in registers, rest in stack
case p.Amd64:
numRegisters = 6 // System V ABI has 6 parameters in registers, rest in stack
}
if len(params) > numRegisters {
params = params[numRegisters:]
} else {
params = nil
}
reverseParams := make([]string, len(params))
for i, param := range params {
reverseParams[len(params)-1-i] = param
}
p.Stacklocs = append(reverseParams, "retaddr_"+name) // in 32-bit, we use stdcall and parameters are in the stack
if !p.Amd64 && p.OS == "windows" {
return fmt.Sprintf("%[1]v\nglobal _%[2]v@%[3]v\n_%[2]v@%[3]v:", p.SectText(name), name, len(params)*4)
}
if p.OS == "darwin" {
return fmt.Sprintf("%[1]v\nglobal _%[2]v\n_%[2]v:", p.SectText(name), name)