TI-59 magnetic card

File Format
Name	TI-59 magnetic card
Ontology	Physical File Formats Magnetic stripe card TI-59 magnetic card ; ; ;
Released	1977

Revision as of 02:59, 7 December 2012

The TI-59 was a programmable calculator from Texas Instruments which was available from 1977 through 1983. It supported the ability to load and save programs using a magnetic-stripe card reader. The TI-58 model was also available at the same time with similar programming features but no card reader.

If you ran out of magnetic cards for it, it was apparently possible to make new ones by cutting up floppy disks.

The card reader used a four-track head designed to function at a speed between 2.0 and 2.5 inches per second. Track one is closest to the edge of the card. The write signal is a square wave of +/- 1.5 V.

Character/Key Codes

Each key, character, or function on the calculator corresponded to a numeric code of two decimal digits. (How, exactly, this translated into particular magnetic pulses on the card is uncertain.)

}}

References

Code	Key	Description
00	0	Number keys
01	1
02	2
03	3
04	4
05	5
06	6
07	7
08	8
09	9
10	E	Function keys
11	A
12	B
13	C
14	D
15	E
16	A
17	B
18	C
19	D
20	CLR	Clear
21	2ND	Shift to alternate function
22	INV
23	LNX
24	CE
25	CLR
26	2ND
27	INV
28	LOG
29	CP
30	TAN
31	LRN
32	X:T
33	X^2
34	√X
35	1/X
36	PGM
37	P/R
38	SIN
39	COS
40	IND
41	SST
42	STO	Memory store
43	RCL	Memory recall
44	SUM
45	Y<>X
46	INS	Insert program line
47	CMS
48	EXC
49	PRD
50	I I
51	BST
52	EE	Enter exponent
53	(
54	)
55	÷
56	DEL	Delete program line
57	ENG
58	FIX
59	INT
60	DEG	Degrees
61	GTO	Goto
62	PG*
63	EX*
64	PD*
65	x
66	PAU
67	X=T
68	NOP	No-Op
69	OP
70	RAD	Radians
71	SBR	Subroutine
72	ST*
73	RC*
74	SM*
75	-
76	LBL	Label
77	X≧T
78	SIC $
79	×
80	GRD
81	RST
82	HIR
83	GO*
84	OP*
85	$
86	STF
87	IFF
88	DMS
89	π
90	LST
91	R/S
92	RTN	Return from subroutine
93	.
94	±
95	=
96	WRT
97	DSZ	Decrement and skip at zero
98	ADV
99	PRT	Print

TI-59 magnetic card

Revision as of 02:59, 7 December 2012

Character/Key Codes

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@@ Line 10: / Line 10: @@
 The card reader used a four-track head designed to function at a speed between 2.0 and 2.5 inches per second. Track one is closest to the edge of the card. The write signal is a square wave of +/- 1.5 V.
+== Character/Key Codes ==
+Each key, character, or function on the calculator corresponded to a numeric code of two decimal digits. (How, exactly, this translated into particular magnetic pulses on the card is uncertain.)
+{| class="wikitable"
+! title="Character code" | Code
+! title="Character or function key" | Key
+! title="Description and uses" | Description
+|-
+|00||0||Number keys
+|-
+|01||1||
+|-
+|02||2||
+|-
+|03||3||
+|-
+|04||4||
+|-
+|05||5||
+|-
+|06||6||
+|-
+|07||7||
+|-
+|08||8||
+|-
+|09||9||
+|-
+|10||E''||Function keys
+|-
+|11||A||
+|-
+|12||B||
+|-
+|13||C||
+|-
+|14||D||
+|-
+|15||E||
+|-
+|16||A''||
+|-
+|17||B''||
+|-
+|18||C''||
+|-
+|19||D''||
+|-
+|20||CLR||Clear
+|-
+|21||2ND||Shift to alternate function
+|-
+|22||INV||
+|-
+|23||LNX||
+|-
+|24||CE||
+|-
+|25||CLR||
+|-
+|26||2ND||
+|-
+|27||INV||
+|-
+|28||LOG||
+|-
+|29||CP||
+|-
+|30||TAN||
+|-
+|31||LRN||
+|-
+|32||X:T||
+|-
+|33||X^2||
+|-
+|34||√X||
+|-
+|35||1/X||
+|-
+|36||PGM||
+|-
+|37||P/R||
+|-
+|38||SIN||
+|-
+|39||COS||
+|-
+|40||IND||
+|-
+|41||SST||
+|-
+|42||STO||Memory store
+|-
+|43||RCL||Memory recall
+|-
+|44||SUM||
+|-
+|45||Y<>X||
+|-
+|46||INS||Insert program line
+|-
+|47||CMS||
+|-
+|48||EXC||
+|-
+|49||PRD||
+|-
+|50||I I||
+|-
+|51||BST||
+|-
+|52||EE||Enter exponent
+|-
+|53||(||
+|-
+|54||)||
+|-
+|55||÷||
+|-
+|56||DEL||Delete program line
+|-
+|57||ENG||
+|-
+|58||FIX||
+|-
+|59||INT||
+|-
+|60||DEG||Degrees
+|-
+|61||GTO||Goto
+|-
+|62||PG*||
+|-
+|63||EX*||
+|-
+|64||PD*||
+|-
+|65||x||
+|-
+|66||PAU||
+|-
+|67||X=T||
+|-
+|68||NOP||No-Op
+|-
+|69||OP||
+|-
+|70||RAD||Radians
+|-
+|71||SBR||Subroutine
+|-
+|72||ST*||
+|-
+|73||RC*||
+|-
+|74||SM*||
+|-
+|75||-||
+|-
+|76||LBL||Label
+|-
+|77||X≧T||
+|-
+|78||SIC $||
+|-
+|79||×||
+|-
+|80||GRD||
+|-
+|81||RST||
+|-
+|82||HIR||
+|-
+|83||GO*||
+|-
+|84||OP*||
+|-
+|85||$||
+|-
+|86||STF||
+|-
+|87||IFF||
+|-
+|88||DMS||
+|-
+|89||π||
+|-
+|90||LST||
+|-
+|91||R/S||
+|-
+|92||RTN||Return from subroutine
+|-
+|93||.||
+|-
+|94||±||
+|-
+|95||=||
+|-
+|96||WRT||
+|-
+|97||DSZ||Decrement and skip at zero
+|-
+|98||ADV||
+|-
+|99||PRT||Print
+|-
+}}
 == References ==