How to resolve the algorithm Terminal control/Hiding the cursor step by step in the XPL0 programming language

Published on 12 May 2024 09:40 PM
#Xpl0

How to resolve the algorithm Terminal control/Hiding the cursor step by step in the XPL0 programming language

Table of Contents

Problem Statement

The task is to hide the cursor and show it again.

Let's start with the solution:

Step by Step solution about How to resolve the algorithm Terminal control/Hiding the cursor step by step in the XPL0 programming language

Source code in the xpl0 programming language

include c:\cxpl\codes;  \intrinsic 'code' declarations

proc ShowCur(On);       \Turn flashing cursor on or off
int On;                 \true = cursor on; false = cursor off
int CpuReg;
[CpuReg:= GetReg;       \access CPU registers
CpuReg(0):= $0100;      \AX:= $0100
CpuReg(2):= if On then $0007 else $2000;
SoftInt($10);           \Call BIOS interrupt $10
]; \ShowCur

[ShowCur(false);        \turn off flashing cursor
if ChIn(1) then [];     \wait for keystroke
ShowCur(true);          \turn on flashing cursor
]

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