stepv iv / 0xDB

Opcode map

Property Definition
OP 0xDB
Operands D,S2,S1
Operation Vector RGB intensity and V/VDir. Also adds operands into RISC destination. Illegal when DrawCtl[3:0]=11. Other color/coordinate formats 16I.16F.
Timing Count → draw hazard 1; XShadow → parallel draw hazard 1; triangle shadow destination → step hazard 2

Instruction hazards · Instruction formats

Source: Technical Spec, p.12