Apple II manual Ovflw BRK Overflow

1E3B	00			OVFLW	BRK	OVERFLOW
				*
1E3C	20	2C	1F	CONTIN JSR FLOAT		FLOAT INT
1E3F	A2	03			LDX =3
1E41	B5	10		ENTD	LDA Z,X
1E43	95	04			STA X2,X	LOAD EXP/MANT2 WITH Z
1E45	CA				DEX
1E46	10	F9			BPL ENTD
1E48	20	4A	1F		JSR FSUB	Z*Z-FLOAT(INT)
1E4B	A2	03			LDX =3	4 BYTE MOVE
1E4D	B5	08		ZSAV	LDA X1,X
1E4F	95	10			STA Z,X	SAVE EXP/MANT1 IN Z
1E51	95	04			STA X2,X	COPY EXP/MANT1 TO EXP/MANT2
1E53	CA				DEX
1E54	10	F7			BPL ZSAV
1E56	20	77	1F		JSR FMUL	Z*Z
1E59	A2	03			LDX =3	4 BYTE MOVE
1E5B	BD DC 1E			LA2	LDA A2,X
1E5E	95	04			STA X2,X	LOAD EXP/MANT2 WITH A2
1E60	B5	08			LDA X1,X
1E62	95	18			STA SEXP,X	SAVE EXP/MANT1 AS SEXP
1E64	CA				DEX
1E65	10	F4			BPL LA2
1E67	20	50	1F		JSR FADD	Z*Z+A2
1E6A	A2	03			LDX =3	4 BYTE MOVE
1E6C	BD E0 1E			LB2	LDA B2,X
1E6F	95	04			STA X2,X	LOAD EXP/MANT2 WITH B2
1E71	CA				DEX
1E72	10	F8			BPL LB2
1E74	20	9D	1F		JSR FDIV	T=B/(Z*Z+A2)
1E77	A2	03			LDX =3	4 BYTE MOVE
1E79	B5	08		DLOAD	LDA X1,X
1E7B	95	14			STA T,X	SAVE EXP/MANT1 AS T
1E7D	BD E4 1E				LDA C2,X
1E80	95	08			STA X1,X	LOAD EXP/MANT1 WITH C2
1E82	B5	18			LDA SEXP,X
1E84	95	04			STA X2,X	LOAD EXP/MANT2 WITH SEXP
1E86	CA				DEX
1E87	10	F0			BPL DLOAD
1E89	20	77	1F		JSR FMUL	Z*Z*C2
1E8C	20	1C	1F		JSR SWAP	MOVE EXP/MANT1 TO EXP/MANT2
1E8F	A2	03			LDX =3	4 BYTE TRANSFER
1E91	B5	14		LTMP	LDA T,X
1E93	95	08			STA X1,X	LOAD EXP/MANT1 WITH T
1E95	CA				DEX
1E96	10	F9			BPL LTMP
1E98	20	4A	1F		JSR FSUB	C2*Z*Z-B2/(Z*Z+A2)
1E9B	A2	03			LDX =3	4 BYTE TRANSFER
1E9D	BD E8 1E			LDD	LDA D,X
1EA0	95	04			STA X2,X	LOAD EXP/MANT2 WITH D
1EA2	CA				DEX
1EA3	10	F8			BPL LDD
1EA5	20	50	1F		JSR FADD	D+C2*Z*Z-B2/(Z*Z+A2)
1EA8	20	1C	1F		JSR SWAP	MOVE EXP/MANT1 TO EXP/MANT2
1EAB	A2	03			LDX =3	4 BYTE TRANSFER
1EAD	B5	10		LFA	LDA Z,X
1EAF	95	08			STA X1,X	LOAD EXP/MANT1 WITH Z
1EB1	CA				DEX
1EB2	10	F9			BPL LFA
1EB4	20	4A	1F		JSR FSUB	-Z+D+C2*Z*Z-B2/(Z*Z+A2)
1EB7	A2	03			LDX =3	4 BYTE TRANSFER
1EB9	B5	10		LF3	LDA Z,X