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https://github.com/exoticorn/microw8.git
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implement custom base address for GES
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dranke committed
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6f20d303c8
commit
7a52ce4e4c
6 files changed
+46
-37
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@@ -55,6 +55,7 @@ data 80 {
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include "../../platform/src/ges.cwa"
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include "../../platform/src/ges.cwa"
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import "env.pow" fn pow(f32, f32) -> f32;
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import "env.pow" fn pow(f32, f32) -> f32;
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import "env.exp" fn exp(f32) -> f32;
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import "env.sin" fn sin(f32) -> f32;
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import "env.sin" fn sin(f32) -> f32;
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export fn snd(t: i32) -> f32 {
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export fn snd(t: i32) -> f32 {
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Binary file not shown.
+35
-34
@@ -7,21 +7,22 @@ const GesChannelState.Size = 8;
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const GesState.Filter = GesChannelState.Size * 4;
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const GesState.Filter = GesChannelState.Size * 4;
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const GesState.Size = GesState.Filter + 8*4;
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const GesState.Size = GesState.Filter + 8*4;
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const GesStateOffset = 112;
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const GesStateOffset = 32;
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const GesBufferOffset = 112 + GesState.Size;
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const GesBufferOffset = 32 + GesState.Size;
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export fn gesSnd(t: i32) -> f32 {
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export fn gesSnd(t: i32) -> f32 {
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let baseAddr = 0!0x12c78;
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if !(t & 127) {
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if !(t & 127) {
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let i: i32;
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let i: i32;
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loop clearLoop {
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loop clearLoop {
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i!GesBufferOffset = 0;
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(baseAddr + i)!GesBufferOffset = 0;
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branch_if (i := i + 4) < 128*8: clearLoop;
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branch_if (i := i + 4) < 128*8: clearLoop;
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}
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}
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let ch: i32;
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let ch: i32;
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loop channelLoop {
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loop channelLoop {
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let lazy channelState = GesStateOffset + ch * GesChannelState.Size;
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let lazy channelState = baseAddr + GesStateOffset + ch * GesChannelState.Size;
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let lazy channelReg = 80 + ch * 6;
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let lazy channelReg = baseAddr + ch * 6;
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let envState = channelState?GesChannelState.EnvState;
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let envState = channelState?GesChannelState.EnvState;
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let envVol = i32.load16_u(channelState, GesChannelState.EnvVol);
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let envVol = i32.load16_u(channelState, GesChannelState.EnvVol);
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@@ -77,7 +78,7 @@ export fn gesSnd(t: i32) -> f32 {
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let saw2 = saw2 -
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let saw2 = saw2 -
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polyBlep((p - pulsePhase1) >> 16, invPhaseInc, -saw) -
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polyBlep((p - pulsePhase1) >> 16, invPhaseInc, -saw) -
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polyBlep((p - pulsePhase2) >> 16, invPhaseInc, saw);
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polyBlep((p - pulsePhase2) >> 16, invPhaseInc, saw);
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i!(GesBufferOffset + 128*4) = saw2;
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(baseAddr + i)!(GesBufferOffset + 128*4) = saw2;
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phase = phase + phaseInc;
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phase = phase + phaseInc;
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branch_if (i := i + 4) < 64*4: sawLoop;
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branch_if (i := i + 4) < 64*4: sawLoop;
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}
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}
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@@ -86,7 +87,7 @@ export fn gesSnd(t: i32) -> f32 {
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{
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{
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let pulsePhase = 32768 + pulseWidth * 128;
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let pulsePhase = 32768 + pulseWidth * 128;
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loop rectLoop {
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loop rectLoop {
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i!(GesBufferOffset + 128*4) = select((phase & 65535) < pulsePhase, -32768, 32767) -
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(baseAddr + i)!(GesBufferOffset + 128*4) = select((phase & 65535) < pulsePhase, -32768, 32767) -
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polyBlep(phase, invPhaseInc, -32767) -
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polyBlep(phase, invPhaseInc, -32767) -
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polyBlep(phase - pulsePhase, invPhaseInc, 32767);
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polyBlep(phase - pulsePhase, invPhaseInc, 32767);
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phase = phase + phaseInc;
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phase = phase + phaseInc;
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@@ -101,7 +102,7 @@ export fn gesSnd(t: i32) -> f32 {
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s = (s ^ (s >> 31));
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s = (s ^ (s >> 31));
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s = (s >> 8) * scale;
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s = (s >> 8) * scale;
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s = (s ^ (s >> 31));
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s = (s ^ (s >> 31));
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i!(GesBufferOffset + 128*4) = (s >> 15) - 32768;
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(baseAddr + i)!(GesBufferOffset + 128*4) = (s >> 15) - 32768;
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phase = phase + phaseInc;
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phase = phase + phaseInc;
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branch_if (i := i + 4) < 64*4: triLoop;
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branch_if (i := i + 4) < 64*4: triLoop;
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}
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}
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@@ -111,7 +112,7 @@ export fn gesSnd(t: i32) -> f32 {
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let inline pulse = ((phase >> 8) & 255) >= pulseWidth;
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let inline pulse = ((phase >> 8) & 255) >= pulseWidth;
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s = s * 0x6746ba73;
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s = s * 0x6746ba73;
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s = s ^ (s >> 15) * pulse;
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s = s ^ (s >> 15) * pulse;
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i!(GesBufferOffset + 128*4) = (s * 0x835776c7) >> 16;
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(baseAddr + i)!(GesBufferOffset + 128*4) = (s * 0x835776c7) >> 16;
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phase = phase + phaseInc;
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phase = phase + phaseInc;
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branch_if (i := i + 4) < 64*4: noiseLoop;
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branch_if (i := i + 4) < 64*4: noiseLoop;
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}
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}
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@@ -122,8 +123,8 @@ export fn gesSnd(t: i32) -> f32 {
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if ctrl & 32 {
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if ctrl & 32 {
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let lazy modSrc = (ch - 1) & 3;
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let lazy modSrc = (ch - 1) & 3;
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let inline channelState = GesStateOffset + modSrc * GesChannelState.Size;
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let inline channelState = baseAddr + GesStateOffset + modSrc * GesChannelState.Size;
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let inline channelReg = 80 + modSrc * 6;
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let inline channelReg = baseAddr + modSrc * 6;
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let inline note = i32.load16_u(channelReg, 2);
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let inline note = i32.load16_u(channelReg, 2);
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let inline freq = 440 as f32 * pow(2.0, (note - 69*256) as f32 / (12*256) as f32);
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let inline freq = 440 as f32 * pow(2.0, (note - 69*256) as f32 / (12*256) as f32);
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@@ -138,13 +139,13 @@ export fn gesSnd(t: i32) -> f32 {
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loop ringLoop {
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loop ringLoop {
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let s = phase << 16;
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let s = phase << 16;
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s = (s ^ (s >> 31));
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s = (s ^ (s >> 31));
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i!(GesBufferOffset + 128*4) = (i!(GesBufferOffset + 128*4) * ((s >> 15) - 32768)) >> 15;
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(baseAddr + i)!(GesBufferOffset + 128*4) = ((baseAddr + i)!(GesBufferOffset + 128*4) * ((s >> 15) - 32768)) >> 15;
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phase = phase + phaseInc;
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phase = phase + phaseInc;
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branch_if (i := i + 4) < 64*4: ringLoop;
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branch_if (i := i + 4) < 64*4: ringLoop;
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}
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}
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}
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}
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let channelVol = ((ch >> 1)?0x68 >> ((ch & 1) * 4)) & 15;
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let channelVol = ((baseAddr + (ch >> 1))?24 >> ((ch & 1) * 4)) & 15;
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envVol = envVol * channelVol / 15;
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envVol = envVol * channelVol / 15;
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let leftVol = (select(ctrl & 16, 0x3d5b, 0x6a79) >> (ch * 4)) & 15;
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let leftVol = (select(ctrl & 16, 0x3d5b, 0x6a79) >> (ch * 4)) & 15;
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@@ -156,30 +157,30 @@ export fn gesSnd(t: i32) -> f32 {
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if filter < 2 {
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if filter < 2 {
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if filter {
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if filter {
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let f = (4096 as f32 - min(4096 as f32, 4096 as f32 * exp(freq * (-8.0 * 3.141 / 44100.0)))) as i32;
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let f = (4096 as f32 - min(4096 as f32, 4096 as f32 * exp(freq * (-8.0 * 3.141 / 44100.0)))) as i32;
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let low = (ch * 8)!(GesStateOffset + GesState.Filter);
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let low = (baseAddr + ch * 8)!(GesStateOffset + GesState.Filter);
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loop filterLoop {
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loop filterLoop {
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let in = (i!(GesBufferOffset + 128*4) * envVol) >> 18;
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let in = ((baseAddr + i)!(GesBufferOffset + 128*4) * envVol) >> 18;
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low = low + (((in - low) * f) >> 12);
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low = low + (((in - low) * f) >> 12);
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(i * 2)!GesBufferOffset = (i * 2)!GesBufferOffset + ((low * leftVol) >> 4);
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(baseAddr + i * 2)!GesBufferOffset = (baseAddr + i * 2)!GesBufferOffset + ((low * leftVol) >> 4);
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(i * 2)!(GesBufferOffset + 4) = (i * 2)!(GesBufferOffset + 4) + ((low * rightVol) >> 4);
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(baseAddr + i * 2)!(GesBufferOffset + 4) = (baseAddr + i * 2)!(GesBufferOffset + 4) + ((low * rightVol) >> 4);
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branch_if (i := i + 4) < 64*4: filterLoop;
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branch_if (i := i + 4) < 64*4: filterLoop;
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(ch * 8)!(GesStateOffset + GesState.Filter) = low;
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(baseAddr + ch * 8)!(GesStateOffset + GesState.Filter) = low;
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(ch * 8)!(GesStateOffset + GesState.Filter + 4) = 0;
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(baseAddr + ch * 8)!(GesStateOffset + GesState.Filter + 4) = 0;
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}
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}
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} else {
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} else {
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loop mixLoop {
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loop mixLoop {
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let sample = (i!(GesBufferOffset + 128*4) * envVol) >> 18;
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let sample = ((baseAddr + i)!(GesBufferOffset + 128*4) * envVol) >> 18;
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(i * 2)!GesBufferOffset = (i * 2)!GesBufferOffset + ((sample * leftVol) >> 4);
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(baseAddr + i * 2)!GesBufferOffset = (baseAddr + i * 2)!GesBufferOffset + ((sample * leftVol) >> 4);
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(i * 2)!(GesBufferOffset + 4) = (i * 2)!(GesBufferOffset + 4) + ((sample * rightVol) >> 4);
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(baseAddr + i * 2)!(GesBufferOffset + 4) = (baseAddr + i * 2)!(GesBufferOffset + 4) + ((sample * rightVol) >> 4);
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branch_if (i := i + 4) < 64*4: mixLoop;
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branch_if (i := i + 4) < 64*4: mixLoop;
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(ch * 8)!(GesStateOffset + GesState.Filter) = sample;
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(baseAddr + ch * 8)!(GesStateOffset + GesState.Filter) = sample;
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(ch * 8)!(GesStateOffset + GesState.Filter + 4) = 0;
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(baseAddr + ch * 8)!(GesStateOffset + GesState.Filter + 4) = 0;
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}
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}
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}
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}
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} else {
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} else {
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filter = filter - 2;
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filter = filter - 2;
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let ctrl = filter?0x6a;
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let ctrl = (baseAddr + filter)?26;
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let note = i32.load16_u(filter * 2, 0x6c);
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let note = i32.load16_u(baseAddr + filter * 2, 28);
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let inline freq = 440 as f32 * pow(2.0, (note - 69*256) as f32 / (12*256) as f32);
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let inline freq = 440 as f32 * pow(2.0, (note - 69*256) as f32 / (12*256) as f32);
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let F = (8192 as f32 * sin(min(0.25, freq / 44100 as f32) * 3.1415)) as i32;
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let F = (8192 as f32 * sin(min(0.25, freq / 44100 as f32) * 3.1415)) as i32;
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let Q = 8192 - (ctrl >> 4) * (7000/15);
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let Q = 8192 - (ctrl >> 4) * (7000/15);
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@@ -190,28 +191,28 @@ export fn gesSnd(t: i32) -> f32 {
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let low_out = ctrl & 1;
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let low_out = ctrl & 1;
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let high_out = (ctrl >> 1) & 1;
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let high_out = (ctrl >> 1) & 1;
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let band_out = (ctrl >> 2) & 1;
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let band_out = (ctrl >> 2) & 1;
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let low = (ch * 8)!(GesStateOffset + GesState.Filter);
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let low = (baseAddr + ch * 8)!(GesStateOffset + GesState.Filter);
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let band = (ch * 8)!(GesStateOffset + GesState.Filter + 4);
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let band = (baseAddr + ch * 8)!(GesStateOffset + GesState.Filter + 4);
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loop filterLoop {
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loop filterLoop {
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let in = (i!(GesBufferOffset + 128*4) * envVol) >> 18;
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let in = ((baseAddr + i)!(GesBufferOffset + 128*4) * envVol) >> 18;
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let high = in - low - ((band * Q) >> 12);
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let high = in - low - ((band * Q) >> 12);
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band = band + ((F * high) >> 12);
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band = band + ((F * high) >> 12);
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low = low + ((F * band) >> 12);
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low = low + ((F * band) >> 12);
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let sample = low * low_out + high * high_out + band * band_out;
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let sample = low * low_out + high * high_out + band * band_out;
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(i * 2)!GesBufferOffset = (i * 2)!GesBufferOffset + ((sample * leftVol) >> 4);
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(baseAddr + i * 2)!GesBufferOffset = (baseAddr + i * 2)!GesBufferOffset + ((sample * leftVol) >> 4);
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(i * 2)!(GesBufferOffset + 4) = (i * 2)!(GesBufferOffset + 4) + ((sample * rightVol) >> 4);
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(baseAddr + i * 2)!(GesBufferOffset + 4) = (baseAddr + i * 2)!(GesBufferOffset + 4) + ((sample * rightVol) >> 4);
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branch_if (i := i + 4) < 64*4: filterLoop;
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branch_if (i := i + 4) < 64*4: filterLoop;
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(ch * 8)!(GesStateOffset + GesState.Filter) = low;
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(baseAddr + ch * 8)!(GesStateOffset + GesState.Filter) = low;
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(ch * 8)!(GesStateOffset + GesState.Filter + 4) = band;
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(baseAddr + ch * 8)!(GesStateOffset + GesState.Filter + 4) = band;
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}
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}
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}
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}
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branch_if (ch := ch + 1) < 4: channelLoop;
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branch_if (ch := ch + 1) < 4: channelLoop;
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}
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}
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}
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}
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(((t & 127) * 4)!GesBufferOffset) as f32 / 32768 as f32
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((baseAddr + (t & 127) * 4)!GesBufferOffset) as f32 / 32768 as f32
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}
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}
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fn polyBlep(transientPhase: i32, invPhaseInc: f32, magnitude: i32) -> i32 {
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fn polyBlep(transientPhase: i32, invPhaseInc: f32, magnitude: i32) -> i32 {
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@@ -576,6 +576,10 @@ data 80 {
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)
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)
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}
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}
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data 0x12c78 {
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i32(80)
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}
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data 0x13000+192*4 {
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data 0x13000+192*4 {
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i32(
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i32(
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0x2c1c1a,
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0x2c1c1a,
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@@ -19,10 +19,13 @@ The memory has to be imported as `env` `memory` and has a maximum size of 256kb
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00040-00044: time since module start in ms
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00040-00044: time since module start in ms
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00044-0004c: gamepad state
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00044-0004c: gamepad state
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0004c-00050: reserved
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0004c-00050: reserved
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00050-00070: sound registers
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00050-00070: sound data (synced to sound thread)
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00070-00078: reserved
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00070-00078: reserved
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00078-12c78: frame buffer
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00078-12c78: frame buffer
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12c78-13000: reserved
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12c78-12c7c: sound registers/work area base address (for sndGes function)
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12c7c-12c80: reserved
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12c80-12ca0: sound data (synced from sound thread)
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12ca0-13000: reserved
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13000-13400: palette
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13000-13400: palette
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13400-13c00: font
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13400-13c00: font
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13c00-14000: reserved
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13c00-14000: reserved
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+1
-1
@@ -1 +1 @@
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<!doctype html><html><head><meta charset="utf8"><title>uw8-run</title><style>body,canvas,html{background-color:#202024;margin:0;padding:0}body,html{height:100%}body{display:grid;grid-template-rows:1fr}#screen{align-self:center;border:4px solid #303040;image-rendering:pixelated;justify-self:center}#message{background-color:rgba(0,0,0,.4);color:#c64;font:700 12pt sans-serif;padding:8px;position:absolute;width:calc(100% - 16px);z-index:2}@media (min-width:648px) and (min-height:488px){#screen{height:480px;width:640px}}@media (min-width:968px) and (min-height:728px){#screen{height:720px;width:960px}}</style></head><body> <canvas id="screen" width="320" height="240" tabindex="1"> </canvas> <div id="message"></div> </body><script type="module">function e(e){return e&&e.__esModule?e.default:e}class t extends AudioWorkletNode{constructor(e){super(e,"apu",{outputChannelCount:[2]})}}let A=(...e)=>new Uint8Array(...e),a=(...e)=>new Uint32Array(...e);let n=function(n,B={}){B.setMessage||(B.setMessage=(e,t)=>{t&&console.log("error: "+t)});let o,s,r,i,l=n.getContext("2d"),d=l.createImageData(320,240),F=B.devkitMode,c=0,D=null==B.keyboardElement?n:B.keyboardElement;if(D){let e=e=>{let t,A="keydown"==e.type;switch(e.code){case"ArrowUp":t=1;break;case"ArrowDown":t=2;break;case"ArrowLeft":t=4;break;case"ArrowRight":t=8;break;case"KeyZ":t=16;break;case"KeyX":t=32;break;case"KeyA":t=64;break;case"KeyS":t=128;break;case"KeyR":A&&f(s,!0);break;case"F9":A&&n.toBlob((e=>{p(e,".png")})),e.preventDefault();break;case"F10":A&&function(){if(r)return r.stop(),void(r=null);r=new MediaRecorder(n.captureStream(),{mimeType:"video/webm",videoBitsPerSecond:25e6});let e=[];r.ondataavailable=t=>{e.push(t.data)};let t=B.timerElement;t&&(t.hidden=!1,t.innerText="00:00");function A(){if(i){if(t){let e=Math.floor((Date.now()-i)/1e3);t.innerText=Math.floor(e/60).toString().padStart(2,"0")+":"+(e%60).toString().padStart(2,"0")}setTimeout(A,1e3)}}r.onstop=()=>{t&&(t.hidden=!0),p(new Blob(e,{type:"video/webm"}),".webm")},r.start(),i=Date.now(),setTimeout(A,1e3)}(),e.preventDefault()}A?c|=t:c&=~t};D.onkeydown=e,D.onkeyup=e}async function f(r,i){o&&(o(),o=null);let D=new AudioContext({sampleRate:44100}),p=!0,g=new AbortController;o=()=>{D.close(),p=!1,g.abort()};let Q=r.byteLength;if(B.setMessage(Q),0==Q)return;await 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<!doctype html><html><head><meta charset="utf8"><title>uw8-run</title><style>body,canvas,html{background-color:#202024;margin:0;padding:0}body,html{height:100%}body{display:grid;grid-template-rows:1fr}#screen{align-self:center;border:4px solid #303040;image-rendering:pixelated;justify-self:center}#message{background-color:rgba(0,0,0,.4);color:#c64;font:700 12pt sans-serif;padding:8px;position:absolute;width:calc(100% - 16px);z-index:2}@media (min-width:648px) and (min-height:488px){#screen{height:480px;width:640px}}@media (min-width:968px) and (min-height:728px){#screen{height:720px;width:960px}}</style></head><body> <canvas id="screen" width="320" height="240" tabindex="1"> </canvas> <div id="message"></div> </body><script type="module">function e(e){return e&&e.__esModule?e.default:e}class t extends AudioWorkletNode{constructor(e){super(e,"apu",{outputChannelCount:[2]})}}let A=(...e)=>new Uint8Array(...e),a=(...e)=>new Uint32Array(...e);let 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I,m=new t(d),C=0,Q=new Promise((e=>I=e)),p=e=>{C|=e,3==C&&I&&(I(!0),I=null)};m.port.onmessage=e=>p(e.data);let w=()=>{"suspended"==d.state?(n.startButton&&(n.startButton.style="",B.style="display:none"),(n.startButton||B).onclick=()=>{d.resume()}):(n.startButton&&(n.startButton.style="display:none",B.style=""),p(1))};d.onstatechange=w,w(),o=r;let b=window.location.pathname;if(E<=1024&&!i){let e="";for(let t of A(r))e+=String.fromCharCode(t);b+="#"+btoa(e),b!=window.location.pathname+window.location.hash&&history.pushState(null,null,b)}B.width=B.width;try{let t={initial:4};g||(t.maximum=4);let B,s=new WebAssembly.Memory(t),i=A(s.buffer),I={env:{memory:s}},C=e=>{if(B&&(!g||0!=A(e)[0])){i.set(A(e));let t=B.exports.load_uw8(e.byteLength);e=new ArrayBuffer(t),A(e).set(i.slice(0,t))}return e},p=async e=>(await WebAssembly.instantiate(e,I)).instance,w=async e=>C(await(await fetch(e)).arrayBuffer());B=await p(await 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|
||||||
Reference in new issue
Block a user