Diff: apu2.h

Revision:

3:b845c0cf715a

Parent:

2:62e6e22f8be2

--- a/apu2.h	Wed Jan 11 16:00:29 2017 +0000
+++ b/apu2.h	Fri Jan 13 06:13:53 2017 +0000
@@ -55,6 +55,27 @@
 
 
 ; Disassembled with spcdasm
+; Source filename: ../DSPcode.bin
+; Origin: $0002
+; Input length: 16
+p0002: MOV  $f2 , A        ; choose dsp register address (A)
+p0004: CMP  A , $f4        
+p0006: BNE  p0004          ; wait until Port0 equals A
+p0008: MOV  $f3 , $f5      ; now we can copy the value in Port1 
+                           ; to the selected dsp address
+p000b: MOV  $f4 , A        ; say it's done by setting Port0 to the
+                           ; dsp address
+p000d: INC  A              ; increment A so we will expect the next address
+p000e: BPL  p0002          ; while < 128, jump to p0002
+
+; Jumps right after init code in rom, by underflowing
+; the 16 bit program counter
+p0010: BRA  pffc9          ; 2fb7
+
+
+
+
+; Disassembled with spcdasm
 ; Source filename: ../Bootcode.bin
 ; Origin: $0000
 ; Input length: 77
@@ -94,26 +115,4 @@
 p004c: RETI                ; 
 
 
-
-
-
-; Disassembled with spcdasm
-; Source filename: ../DSPcode.bin
-; Origin: $0002
-; Input length: 16
-p0002: MOV  $f2 , A        ; choose dsp register address (A)
-p0004: CMP  A , $f4        
-p0006: BNE  p0004          ; wait until Port0 equals A
-p0008: MOV  $f3 , $f5      ; now we can copy the value in Port1 
-                           ; to the selected dsp address
-p000b: MOV  $f4 , A        ; say it's done by setting Port0 to the
-                           ; dsp address
-p000d: INC  A              ; increment A so we will expect the next address
-p000e: BPL  p0002          ; while < 128, jump to p0002
-
-; Jumps right after init code in rom, by underflowing
-; the 16 bit program counter
-p0010: BRA  pffc9          ; 2fb7
-
-
 */
\ No newline at end of file