TRS-80 Pocket Computer PC-1

Historia

Although not branded as such, the original TRS-80 Pocket Computer later became known as the PC-1, as subsequent models were labelled PC-2 through PC-8. Some were made by Sharp, and the rest by Casio (PC-4 through PC-7). The PC-2 had 4 colored ball point pens and could print or plot on plain paper. The others all used thermal paper, the PC-3 and PC-8 using the same printer, the PC-4, PC-5 and PC-6 using the same printer, and the PC-7 having no printer or cassette interface. Models The Tandy/TRS-80 model names are listed with the corresponding original Sharp/Casio model number. TRS-80 Pocket Computer PC-1 - Sharp PC-1211 TRS-80 Pocket Computer PC-2 - Sharp PC-1500 Tandy/TRS-80 Pocket Computer PC-3 - Sharp PC-1251 TRS-80 Pocket Computer PC-4 - Casio PB-100 Tandy Pocket Computer PC-5 - Casio FX-780P Tandy Pocket Computer PC-6 - Casio FX-790P Tandy Pocket Computer PC-7 - Casio FX-5200P Tandy Pocket Computer PC-8 - Sharp PC-1246

Características

Lenguajes  	BASIC interpreter
CPU  	Sharp CMOS SC43177 and SC43178 (4 bits)
Velocidad  	256 kHz
RAM  	1920 Bytes; 1424 steps / 178 memories available
ROM  	11,2 kB (?)
Modos de Texto  	1 line x 24 chars. (LCD screen)
Modo gráfico  	None
Colores  	Monochrome
Sonido  	CPU controlled piezo buzzer, 1 tone with fixed frequency and duration
Tamaño/Peso  	175 (W) x 70 (D) x 15 (H) mm / 170 g
Puertos de entrada/salida  	9 pin expansion port for printer and cassette interface
Fuente de alimentación  	4 x 1,35 V button cell MR44 or similar
Perifericos  	26-3503 cassette interface
26-3505 printer / cassette interface (mechanical dot printer)
CTR-80A cassette recorder (generic)
Precio  	$230