diff --git a/src/devices/cpu/sharc/compute.hxx b/src/devices/cpu/sharc/compute.hxx
index ddea8a2f265..278212a3f43 100644
--- a/src/devices/cpu/sharc/compute.hxx
+++ b/src/devices/cpu/sharc/compute.hxx
@@ -1272,7 +1272,45 @@ void adsp21062_device::compute_fmul_avg(int fm, int fxm, int fym, int fa, int fx
 	r_mul.f = FREG(fxm) * FREG(fym);
 	r_alu.f = (FREG(fxa) * FREG(fya))/((float) 2.0);
 
-	/* TODO: are flags right for this? */
+	// TODO: are flags right for this?
+	if (m_core->mode1 & MODE1_TRUNCATE)
+	{
+		alu_i = (int32_t)(r_alu.f);
+	}
+	else
+	{
+		alu_i = (int32_t)(r_alu.f < 0 ? (r_alu.f - 0.5f) : (r_alu.f + 0.5f));
+	}
+
+	CLEAR_MULTIPLIER_FLAGS();
+	SET_FLAG_MN(r_mul.r);
+	/* TODO: MV flag */
+	/* TODO: MU flag */
+	/* TODO: MI flag */
+
+	CLEAR_ALU_FLAGS();
+	SET_FLAG_AN(alu_i);
+	// AZ
+	SET_FLAG_AZ(alu_i);
+	// AU
+	m_core->stky |= (IS_FLOAT_DENORMAL(r_alu.r)) ? AUS : 0;
+	// AI
+	m_core->astat |= (IS_FLOAT_NAN(REG(fxa))) ? AI : 0;
+	/* TODO: AV flag */
+
+	FREG(fm) = r_mul.f;
+	REG(fa) = alu_i;
+	m_core->astat |= AF;
+}
+
+void adsp21062_device::compute_fmul_abs(int fm, int fxm, int fym, int fa, int fxa, int fya)
+{
+	int32_t alu_i;
+	SHARC_REG r_mul, r_alu;
+	r_mul.f = FREG(fxm) * FREG(fym);
+	r_alu.f = (float) fabs(FREG(fxa));
+
+	// TODO: are flags right for this?
 	if (m_core->mode1 & MODE1_TRUNCATE)
 	{
 		alu_i = (int32_t)(r_alu.f);
diff --git a/src/devices/cpu/sharc/sharc.h b/src/devices/cpu/sharc/sharc.h
index e183fb6a866..8699d6d3455 100644
--- a/src/devices/cpu/sharc/sharc.h
+++ b/src/devices/cpu/sharc/sharc.h
@@ -589,6 +589,7 @@ private:
 	inline void compute_fmul_float_scaled(int fm, int fxm, int fym, int fa, int fxa, int fya);
 	inline void compute_fmul_fix_scaled(int fm, int fxm, int fym, int fa, int fxa, int fya);
 	inline void compute_fmul_avg(int fm, int fxm, int fym, int fa, int fxa, int fya);
+	inline void compute_fmul_abs(int fm, int fxm, int fym, int fa, int fxa, int fya);
 	inline void compute_fmul_fmax(int fm, int fxm, int fym, int fa, int fxa, int fya);
 	inline void compute_fmul_fmin(int fm, int fxm, int fym, int fa, int fxa, int fya);
 	inline void compute_fmul_dual_fadd_fsub(int fm, int fxm, int fym, int fa, int fs, int fxa, int fya);
diff --git a/src/devices/cpu/sharc/sharcops.hxx b/src/devices/cpu/sharc/sharcops.hxx
index 16597aad5a5..9ebf017659c 100644
--- a/src/devices/cpu/sharc/sharcops.hxx
+++ b/src/devices/cpu/sharc/sharcops.hxx
@@ -739,12 +739,20 @@ void adsp21062_device::COMPUTE(uint32_t opcode)
 				break;
 			}
 
-			case 0x1c: /* TODO! fmul_avg */
+			// TODO: verify this (last bronx)
+			case 0x1c:
 			{
 				compute_fmul_avg(fm, fxm, fym, fa, fxa, fya);
 				break;
 			}
 
+			// TODO: verify this (Gunblade NY Score Attack Remix mode)
+			case 0x1d: 
+			{
+				compute_fmul_abs(fm, fxm, fym, fa, fxa, fya);
+				break;
+			}
+			
 			case 0x1e:      /* Fm = Fxm * Fym,   Fa = MAX(Fxa, Fya) */
 			{
 				compute_fmul_fmax(fm, fxm, fym, fa, fxa, fya);