From: Tobias Girstmair <tobi@isticktoit.net>
Date: Thu, 4 Mar 2021 15:43:05 +0000 (+0100)
Subject: new version
X-Git-Url: https://git.gir.st/Chiptunes-pms150c.git/commitdiff_plain/19c9f57b09e04df99dc526f520dbfadcd115accd

new version

notes mapping:
0x84=[0]=[5]
0x9d=[1]=[4]
0xb0=[2]=[A]
0x69=[3]=[6]=[B]=[E]
0x58=[7]=[F]
0x75=[8]=[D]
0x8c=[9]=[C]
---

diff --git a/bsv.c b/bsv.c
index 49185cb..a6863d4 100644
--- a/bsv.c
+++ b/bsv.c
@@ -2,17 +2,13 @@
 #include "fakeasm.h"
 typedef unsigned char u8;
 
+u8 notes[16]; //MEM
 u8 i0, i1, i2; //MEM
 u8 n; //MEM
 u8 sample; //MEM
 u8 tmp_1; //MEM
 u8 acc; //ACC
 
-u8 notes[] = {
-	0x84, 0x9d, 0xb0, 0x69, 0x9d, 0x84, 0x69, 0x58,
-	0x75, 0x8c, 0xb0, 0x69, 0x8c, 0x75, 0x69, 0x58
-};
-
 u8 mod3hi, mod3lo; //MEM
 //todo: can mod3hi be aliased to tmp_1?
 void mod3(void) {
@@ -60,6 +56,32 @@ void main(void){
 	CLEAR	(i0)
 	CLEAR	(i1)
 	CLEAR	(i2)
+
+	//rom is not mmapped; must load into ram first
+	MOV	(acc, 0x84)
+	MOV	(notes[0x0], acc)
+	MOV	(notes[0x5], acc)
+	MOV	(acc, 0x9d)
+	MOV	(notes[0x1], acc)
+	MOV	(notes[0x4], acc)
+	MOV	(acc, 0xb0)
+	MOV	(notes[0x2], acc)
+	MOV	(notes[0xA], acc)
+	MOV	(acc, 0x69)
+	MOV	(notes[0x3], acc)
+	MOV	(notes[0x6], acc)
+	MOV	(notes[0xB], acc)
+	MOV	(notes[0xE], acc)
+	MOV	(acc, 0x58)
+	MOV	(notes[0x7], acc)
+	MOV	(notes[0xF], acc)
+	MOV	(acc, 0x75)
+	MOV	(notes[0x8], acc)
+	MOV	(notes[0xD], acc)
+	MOV	(acc, 0x8c)
+	MOV	(notes[0x9], acc)
+	MOV	(notes[0xC], acc)
+
 	for(;;) {
 		MOV	(acc, i2)// "mov mem,mem"
 		MOV	(n, acc)// does not exist