---
title: "4K/1K Blackjack"
type: "article"
slug: "4k-1k-blackjack"
url: "http://localhost/article/4k-1k-blackjack/"
markdown_url: "http://localhost/article/4k-1k-blackjack.md"
published_at: "2024-01-01T05:29:32+00:00"
modified_at: "2024-06-23T01:03:46+00:00"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "In this 4K/1K ZX80 version of 21 you play one-on-one against the computer-dealer. It deals you two cards face up. To take another card, hit NL; to hold, press SPACE NL. The ZX80 then plays out its hand and shows if you win or lose."
category:
  - name: "Syntax"
    slug: "syntax"
    taxonomy: "category"
    url: "http://localhost/category/periodicals/syntax/"
post_tag:
  - name: "1982"
    slug: "year-1982"
    taxonomy: "post_tag"
    url: "http://localhost/tag/year-1982/"
  - name: "Type-in program"
    slug: "type-in-program"
    taxonomy: "post_tag"
    url: "http://localhost/tag/type-in-program/"
  - name: "ZX80"
    slug: "zx80"
    taxonomy: "post_tag"
    url: "http://localhost/tag/zx80/"
model:
  - name: "Sinclair ZX80"
    slug: "zx80"
    taxonomy: "model"
    url: "http://localhost/model/zx80/"
indiv:
  - name: "Wayne Root"
    slug: "wayne-root"
    taxonomy: "indiv"
    url: "http://localhost/indiv/wayne-root/"
publication_r:
  id: 10246
  title: "Syntax"
  type: "periodical"
  url: "http://localhost/periodical/syntax/"
authors: "Wayne Root"
volume: "3"
issue: "1"
issues_articles:
  - id: 52468
    title: "Syntax/Syntax ZX80 v3 n1"
    type: "issue"
    url: "http://localhost/issue/syntax-syntax-zx80-v3-n1/"
pages: "16"
pubdate: "January 1982"
archive_link: false
---

# 4K/1K Blackjack

In this 4K/1K ZX80 version of 21 you play one-on-one against the computer-dealer. It deals you two cards face up. To take another card, hit NL; to hold, press SPACE NL. The ZX80 then plays out its hand and shows if you win or lose.