Update MS213x after testing

ms213x_patch/asm/asm.sh

@@ -2,4 +2,6 @@ as31 -Fbin init.asm
 as31 -Fbin hook.asm 
 as31 -Fbin finishf660.asm 
 as31 -Fbin finishsig.asm 
+as31 -Fbin vsync.asm
 as31 -Fbin readinfo.asm
+as31 -Fbin readinfo2.asm

ms213x_patch/asm/readinfo.asm

@@ -16,11 +16,12 @@ MOVX A, @DPTR
 MOV  R5, A
 
 ; Signal info
-INC  DPTR
+MOV  DPTR, #0xf6e9
 MOVX A, @DPTR
+MOV  R6, A
 
 ; Frame counter
-MOV  R6, 0x29
-MOV  R7, 0x28
+MOV  DPTR, #0x7b16
+MOVX A, @DPTR
 
 RET

ms213x_patch/asm/readinfo.bin

@@ -1 +1 @@
-<EFBFBD>{את£א<C2A3>£א<C2A3>£א‎£א®)¯("
+<EFBFBD>{את£א<C2A3>£א<C2A3>£א‎<EFBFBD>ציא‏<EFBFBD>{א"

ms213x_patch/asm/readinfo2.asm

@@ -0,0 +1,27 @@
+; Resolution info
+MOV  DPTR, #0xe184
+MOVX A, @DPTR
+MOV  R2, A
+
+INC  DPTR
+MOVX A, @DPTR
+MOV  R3, A
+
+MOV  DPTR, #0xe18c
+MOVX A, @DPTR
+MOV  R4, A
+
+INC  DPTR
+MOVX A, @DPTR
+MOV  R5, A
+
+; Signal info
+MOV  DPTR, #0xf6e9
+MOVX A, @DPTR
+MOV  R6, A
+
+; Frame counter
+MOV  DPTR, #0x7b16
+MOVX A, @DPTR
+
+RET

ms213x_patch/asm/readinfo2.bin

@@ -0,0 +1 @@
+<EFBFBD>ב„את£א<EFBFBD><EFBFBD>ב<EFBFBD>א<EFBFBD>£א‎<EFBFBD>ציא‏<EFBFBD>{א"

ms213x_patch/asm/vsync.asm

@@ -0,0 +1,7 @@
+MOV  DPTR, #0x7b16
+MOVX A, @DPTR
+INC  A
+MOVX @DPTR, A
+
+MOV DPTR, #0xf055
+RET

ms213x_patch/asm/vsync.bin

@@ -0,0 +1 @@
+<EFBFBD>{àð<>ðU"

ms213x_patch/patch.go

@@ -28,9 +28,15 @@ var patchFinishf660 []byte
 //go:embed asm/finishsig.bin
 var patchFinishSig []byte
 
+//go:embed asm/vsync.bin
+var patchVSYNC []byte
+
 //go:embed asm/readinfo.bin
 var patchReadInfo []byte
 
+//go:embed asm/readinfo2.bin
+var patchReadInfo2 []byte
+
 func (p *patcher) addCode(code []byte) uint16 {
 	offs := len(p.image)
 	p.image = append(p.image, code...)
@@ -65,6 +71,11 @@ func (p *patcher) replaceJump(offset, dest uint16) {
 	binary.BigEndian.PutUint16(p.image[offset+1:], dest)
 }
 
+func (p *patcher) replaceCall(offset, dest uint16) {
+	p.image[offset] = 0x12
+	binary.BigEndian.PutUint16(p.image[offset+1:], dest)
+}
+
 func patch(in []byte) ([]byte, error) {
 	/* Check if it is a file we know how to handle */
 	hash := sha256.Sum256(in)
@@ -115,8 +126,12 @@ func patch(in []byte) ([]byte, error) {
 	/* Write signal info to safe place (0x7b14) */
 	p.replaceJump(0xe9c6, p.addCode(patchFinishSig))
 
+	/* Count frames */
+	p.replaceCall(0xb208, p.addCode(patchVSYNC))
+
 	/* Finally, add read results function */
-	log.Printf("ReadInfo Offset: %02x", p.addCode(patchReadInfo))
+	log.Printf("ReadInfo1 Offset: %02x", p.addCode(patchReadInfo))
+	log.Printf("ReadInfo2 Offset: %02x", p.addCode(patchReadInfo2))
 
 	return p.image, nil
 }