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.set noreorder
.include "hwregs_a.inc"
.include "gtereg.inc"
.section .text.InitGeom
.global InitGeom
.type InitGeom, @function
InitGeom:
# Disable interrupts and make sure the GTE is enabled in COP0.
lui $v0, IOBASE
lhu $v1, IRQ_MASK($v0)
nop
sh $0, IRQ_MASK($v0)
mfc0 $a0, $12
lui $a1, 0x4000
or $a1, $a0
mtc0 $a1, $12
nop
#nop
# Re-enable interrupts, then load default values into some GTE registers.
sh $v1, IRQ_MASK($v0)
ctc2 $0, C2_OFX
nop
ctc2 $0, C2_OFY
li $a0, 320
ctc2 $a0, C2_H
li $a0, 0x155
ctc2 $a0, C2_ZSF3
li $a0, 0x100
ctc2 $a0, C2_ZSF4
li $a0, 0xef9e
ctc2 $a0, C2_DQA
lui $a0, 0x0140
ctc2 $a0, C2_DQB
jr $ra
nop
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