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MSX 1

Toshiba HX-21

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msx_hx21

Ebay

Technical Details✨

Released 1984

Country Japan

Brand Toshiba

Type MSX 1

Name Toshiba HX-21

CPU Class Z80

CPU Zilog Z80A @3.58MHz

Memory RAM: 64kB
VRAM: 16kB

Sound Chip General Instruments AY-3-8910 Programmable Sound Generator

Sound 3 wave channels + white noise

Display Chip Texas Instruments TMS9118NL VDP

Display 40x24 text
32x24 16 color text, pattern based
256x192 16 color, 2 color per 8 pix.

Best Text 40x24

Best Color 16 colors (2 per 8 pixels)

Graphics 256x192 in 16 colors

Sprites 1 color, 16x16, 4/scanline, 32 total

System OS MSX 1 BIOS / MSX BASIC

Storage External Tape, 2 ROM cartridge slots

Original Price ¥70,800

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