CRTC Control register.

Horizontal timing register

Vertical timing register

RAMDAC configuration

RAMDAC configuration

RAMDAC configuration

RAMDAC configuration

Access to the V2x00 dot clock PLL

Frame offset

This register controls the state of the RISC processor It holds several bitflags:

This register contains the value of the GPU register selected by VERITE_GPUINDEX.

index register to the GPU external registers

This register contains the current status of the device Only present on V2x00

This register controls the byteswapping performed when writing to the linear framebuffer.

This register allows one to select between CRTC modes.

Virtual width?

add two registers and put the result in the target register

Add a register and a byte immediate

compute the binary and of two registers and put the result in the target register

Computes the inclusive or of a register and a byte immediate

compute the and-not of two registers and put the result in the target register

Computes the binary and-not of a register and a byte immediate

Jump conditional if register is above zero

Jump to an absolute address

Jump to address specified in register

Jump conditional if register is not above zero

Jump conditional if register is not negative

Jump conditional if register is non-zero

Jump conditional if register is negative

Jump conditional if register is zero

Load a 16-bit halfword from RAM.

Load a shifted 16-bit immediate into the selected register.

Load an 16-bit immediate into the selected register

Load a 32-bit word from RAM.

compute the binary nor two registers and put the result in the target register

Computes the binary nor of a register and a byte immediate

compute the binary inclusive or of two registers and put the result in the target register

Computes the inclusive or of a register and a byte immediate

Pops a slot from the FIFO, stall if the fifo is empty.

rotate register right by a constant number of positions.

subtract the first source register from the second source register and put the result in the target register

Subtract a register from a byte immediate

shift register right by a constant number of positions, sign extending in the process.

shift register right by a constant number of positions, sign extending in the process.

shift register right by a constant number of positions, adding zeros on the far end

subtract the second source from the first source register and put the result in the target register

Subtract a byte immediate from a register

compute the binary exclusive or of two registers and put the result in the target register

Computes the exclusive or of a register and a byte immediate