[Coco] Error in BASIC manual. ?

[William Astle]

Looks like whoever was doing the manual may have been familiar with 
other variants of Microsoft's graphics stuff which do accept a colour 
number in place of PSET or PRESET. But the Coco basic doesn't.

On 2022-07-17 13:14, Michael Kline via Coco wrote:
> Ok, I have the answer:
> 30  HLINE(22,33)-(100,90) ,3,BF should be 30  HLINE(22,33 )-(100,90) ,PSET,BF
> The number 3 should be either PSET or PRESET. Look at the programme example on page 175 regarding HGET. It shows the correct syntax for HLINE. So yes, there is a typo in the manual.
> 
> Michael
> 
> 
> 
> -----Original Message-----
> From: Coco <coco-bounces at maltedmedia.com> On Behalf Of Bruce W. Calkins via Coco
> Sent: 17 July 2022 12:31
> To: coco at maltedmedia.com
> Cc: Bruce W. Calkins <brucewcalkins at charter.net>
> Subject: Re: [Coco] Error in BASIC manual. ?
> 
> Could the spaces be a problem?
> Indicated with a *.
> 
> 30 *HLINE*(22,33*)-(100,90)*,3,BF
> 
> 30 HLINE(22,33)-(100,90),3,BF
> 
> Bruce W.
> 
> 
> 
> On 7/17/22 08:41, coco--- via Coco wrote:
>>
>> I tried putting
>>
>> 30  HLINE (22,33 )-(100,90) ,3,BF
>>
>> in a basic program but when I run it I get ?SN ERROR IN 30
>>
>> I followed the manual example exactly and I have included the entry
>> for this command from a PDF of the manual in the coco archives as you
>> can see I copied the command exactly so why am I getting an error ?
>>
>> HLiNE (xl ,yl)-(x2,y2),c,a
>> HRESET (x,y)
>> Draws a line on the high-resolution graphics screen.
>> (x1,y1) Starting point of line. If omitted the line starts at the last
>> ending point o r the center of the screen
>> -(x2.y2) Ending point of HLiNE.
>> c Defines color (Required). PSET
>> selects current foreground color.
>> Resets a point on the high-resolution graphics screen to the
>> background color.
>> HRESET (22,33)
>> HSCREEN mode
>> Selects a high-resolution graphics screen mode.
>> Modes 1-4 also clear the high-resolutio(1 graphics PRESET selects
>> current background color a HPUT (SK,sy)-(ex,ey),b,a screen.
>> mode
>> BASIC draws a box, using the
>> starting and ending points as
>> opposite corners of the box. If
>> BF
>> used, BASIC draws a solid box.
>> HLINE (22,33 )-(100,90) ,3,BF
>>
> 
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