From: Tobias Girstmair <t@thi3nkpad.lan>
Date: Sun, 18 Nov 2018 19:15:41 +0000 (+0100)
Subject: new version
X-Git-Tag: attiny9~29
X-Git-Url: https://git.gir.st/Chiptunes.git/commitdiff_plain/44e34da036f83d3efd6384cdc37ec9bd3e234e3a

new version
---

diff --git a/fakeasm.h b/fakeasm.h
index 0e31859..e548517 100644
--- a/fakeasm.h
+++ b/fakeasm.h
@@ -33,6 +33,6 @@ int asmtmp = 0;
 #define ROR(x)	asmtmp = x&0x1; x >>= 1; x |= carry<<7; carry = asmtmp;
 #define NEG(x)	x *= -1;
 int sr_neg = 0;
-#define CPI(x,n)  sr_neg = (x-n < 0); //WARN: not a complete CPI mockup
+#define CPI(x,n)  sr_neg = (x-n < 0);sr_zero = (x-n == 0); //WARN: not a complete CPI mockup
 #define BRPL(l)   if (sr_neg) goto l;
 #define RJMP(l)   goto l;
diff --git a/foo.c b/foo.c
index d544e10..c2bcb5d 100644
--- a/foo.c
+++ b/foo.c
@@ -64,8 +64,21 @@ void mul(void) { //don't need overhead of function (inline it)
 	CLR	(a2)
 	CLR	(a1)
 
-	switch(t) {
-	case 0x58: // 0101 1000
+	CPI	(t, 0x58)
+	BREQ	(mul_58)
+	CPI	(t, 0x69)
+	BREQ	(mul_69)
+	CPI	(t, 0x75)
+	BREQ	(mul_75)
+	CPI	(t, 0x84)
+	BREQ	(mul_84)
+	CPI	(t, 0x8c)
+	BREQ	(mul_8c)
+	CPI	(t, 0x9d)
+	BREQ	(mul_9d)
+	CPI	(t, 0xb0)
+	BREQ	(mul_b0)
+	mul_58: // 0101 1000
 		LSR (a2)
 		ROR (a1)
 		LSR (a2)
@@ -89,8 +102,8 @@ void mul(void) { //don't need overhead of function (inline it)
 		ROR (a1)
 		LSR (a2)
 		ROR (a1)
-		break;
-	case 0x69: // 0110 1001
+		RJMP	(endmul)
+	mul_69: // 0110 1001
 		ADD (a1, i0)
 		ADC (a2, i1, carry)
 		LSR (a2)
@@ -116,8 +129,8 @@ void mul(void) { //don't need overhead of function (inline it)
 		ROR (a1)
 		LSR (a2)
 		ROR (a1)
-		break;
-	case 0x75: // 0111 0101
+		RJMP	(endmul)
+	mul_75: // 0111 0101
 		ADD (a1, i0)
 		ADC (a2, i1, carry)
 		LSR (a2)
@@ -145,8 +158,8 @@ void mul(void) { //don't need overhead of function (inline it)
 		ROR (a1)
 		LSR (a2)
 		ROR (a1)
-		break;
-	case 0x84: // 1000 0100
+		RJMP	(endmul)
+	mul_84: // 1000 0100
 		LSR (a2)
 		ROR (a1)
 		LSR (a2)
@@ -168,8 +181,8 @@ void mul(void) { //don't need overhead of function (inline it)
 		ADC (a2, i1, carry)
 		LSR (a2)
 		ROR (a1)
-		break;
-	case 0x8c: // 1000 1100
+		RJMP	(endmul)
+	mul_8c: // 1000 1100
 		LSR (a2)
 		ROR (a1)
 		LSR (a2)
@@ -193,8 +206,8 @@ void mul(void) { //don't need overhead of function (inline it)
 		ADC (a2, i1, carry)
 		LSR (a2)
 		ROR (a1)
-		break;
-	case 0x9d: // 1001 1101
+		RJMP	(endmul)
+	mul_9d: // 1001 1101
 		ADD (a1, i0)
 		ADC (a2, i1, carry)
 		LSR (a2)
@@ -222,8 +235,8 @@ void mul(void) { //don't need overhead of function (inline it)
 		ADC (a2, i1, carry)
 		LSR (a2)
 		ROR (a1)
-		break;
-	case 0xb0: // 1011 0000
+		RJMP	(endmul)
+	mul_b0: // 1011 0000
 		LSR (a2)
 		ROR (a1)
 		LSR (a2)
@@ -247,7 +260,7 @@ void mul(void) { //don't need overhead of function (inline it)
 		ADC (a2, i1, carry)
 		LSR (a2)
 		ROR (a1)
-	}
+	endmul:
 
 	// end MUL
 	#undef a0