---
title: "SRAM Hi*Res Extended BASIC"
id: 35767
type: "product"
slug: "sram-hires-extended-basic"
url: "http://localhost/product/sram-hires-extended-basic/"
markdown_url: "http://localhost/product/sram-hires-extended-basic.md"
published_at: "2021-01-17T01:23:38+00:00"
modified_at: "2026-07-25T22:47:25+00:00"
author: "David Anderson"
featured_image:
  url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg"
excerpt: "Thirty-eight new commands extend graphic capabilities of ZX81/TS 1000 in 4K machine-code routine package. Features include upper/lower case, 64-column mode, user-defined graphics, sprites, plotting commands, windows and faster tape speeds/load. Incorporates Wilf Rigter's WRX16 routines. Requires 8K RAM in the 8-16K region."
category:
  - name: "Programming"
    slug: "programming"
    taxonomy: "category"
    url: "http://localhost/category/software/programming/"
post_tag:
  - name: "Downloadable"
    slug: "downloadable"
    taxonomy: "post_tag"
    url: "http://localhost/tag/downloadable/"
  - name: "Insomniac Electronics"
    slug: "insomniac-electronics"
    taxonomy: "post_tag"
    url: "http://localhost/tag/insomniac-electronics/"
  - name: "Silicon Mountain Computers"
    slug: "silicon-mountain-computers"
    taxonomy: "post_tag"
    url: "http://localhost/tag/silicon-mountain-computers/"
  - name: "TS 1000"
    slug: "ts1000"
    taxonomy: "post_tag"
    url: "http://localhost/tag/ts1000/"
model:
  - name: "Timex/Sinclair 1000"
    slug: "ts-1000"
    taxonomy: "model"
    url: "http://localhost/model/ts-1000/"
media_type:
  - name: "Cassette"
    slug: "cassette"
    taxonomy: "media-type"
    url: "http://localhost/media-type/cassette/"
indiv:
  - name: "Gregory Harder"
    slug: "gregory-harder"
    taxonomy: "indiv"
    url: "http://localhost/indiv/gregory-harder/"
genre:
  - name: "Programming"
    slug: "programming"
    taxonomy: "genre"
    url: "http://localhost/type/programming/"
  - name: "Software"
    slug: "software"
    taxonomy: "genre"
    url: "http://localhost/type/software/"
author_2: "Gregory C. Harder, Fred Nachbaur"
creator_indiv:
  - name: "Gregory Harder"
    slug: "gregory-harder"
    taxonomy: "indiv"
    url: "http://localhost/indiv/gregory-harder/"
company:
  id: 20332
  title: "Silicon Mountain Computers"
  type: "company"
  url: "http://localhost/company/silicon-mountain-computers/"
media_types:
  - name: "Cassette"
    slug: "cassette"
    taxonomy: "media-type"
    url: "http://localhost/media-type/cassette/"
price: 24.95
date: 1985
rarity: "Uncommon"
related_content:
  - id: 35528
    title: "Silicon Mountain Computers catalog"
    type: "document"
    url: "http://localhost/document/silicon-mountain-computers-catalog/"
  - id: 48078
    title: "SRAM Hi*Res Extended BASIC manual"
    type: "document"
    url: "http://localhost/document/sram-hires-extended-basic-manual/"
  - id: 48080
    title: "SHREB 3.00 New and Modified Command Summary"
    type: "document"
    url: "http://localhost/document/shreb-3-00-new-and-modified-command-summary/"
  - id: 54786
    title: "WRX16 Revisited"
    type: "document"
    url: "http://localhost/document/wrx16-revisited/"
  - id: 54787
    title: "WRx16 Version 2"
    type: "document"
    url: "http://localhost/document/wrx16-version-2/"
product_reviews:
  - id: 38496
    title: "Sinclair Survival Column"
    type: "article"
    url: "http://localhost/article/sinclair-survival-column-4/"
related_products:
  - id: 51391
    title: "SRAM Hi-Res Extended BASIC"
    type: "computer_media"
    url: "http://localhost/computer_media/sram-hi-res-extended-basic/"
companies_products:
  - id: 44368
    title: "Insomniac Electronics"
    type: "company"
    url: "http://localhost/company/insomniac-electronics/"
  - id: 20332
    title: "Silicon Mountain Computers"
    type: "company"
    url: "http://localhost/company/silicon-mountain-computers/"
---

# SRAM Hi*Res Extended BASIC

Thirty-eight new commands extend graphic capabilities of ZX81/TS 1000 in 4K machine-code routine package.

Features include upper/lower case, 64-column mode, user-defined graphics, sprites, plotting commands, windows and faster tape speeds/load. Incorporates Wilf Rigter’s WRX16 routines.

Requires 8K RAM in the 8-16K region.