View Word: #BUF

#BUF

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In Built-in Variables in TurboForth Kernal

Word Name: #BUF

Type: Standard word

Data Stack Signature: addr --

Return Stack Signature: --

Availability: V1.2

Description:

Sets the number of block buffers reserved in VDP memory. The minimum value is 1, the maximum (and default) value is 6. #BUF is a variable - it returns an address. It is read with @ and written with !.

Example:

None

Comment:

The table below shows the effect on VDP memory for the 6 available values for #BUF. See the VDP memory map for more information.

#BUF Values
#BUF Value	Description
1	Reserves a single 1024 byte block buffer at VDP address >3020.
2	Reserves 2 block buffers in VDP memory from >2C20 to >341F.
3	Reserves 3 block buffers in VDP memory from >2820 to >341F.
4	Reserves 4 block buffers in VDP memory from >2420 to >341F.
5	Reserves 5 block buffers in VDP memory from >2020 to >341F.
6	Reserves 6 block buffers in VDP memory from >1C20 to >341F.

See Also: None listed