Sinc-Link v11 n4

Larry Crawford has written a program which makes use of this feature to provide us with a very useful database program. The most significant feature of this database is its size. Its bank-switching capability means that a single database can expand to eight times the usual computer memory. Works with the Larken RAMdisk.

Calculate the volume of a tank.

Photocopied from the March 1986 issue of Practical Electronics.

Photocopied from the April 1986 issue of Everyday Electronics. Construction article based on the driver promised in a later issue.

After a timed interval in which no computer keys are pressed, the screen attributes are moved and stored in upper memory, and the attributes area of memory is filled with zeros, giving a black screen. The border is also blacked out. At the same time a flashing white square located in the lower right-hand corner…