Call store screen offsets to GTE

0007aecc: 03e00008 jr r31
0007aed0: 00000000 nop
0007aed4: 27bdffe8 addiu r29,r29,0xffe8
0007aed8: 00002021 addu r4,r0,r0
0007aedc: afbf0010 sw r31,0x0010(r29)
0007aee0: 0c00746a jal 0x0001d1a8
0007aee4: 00002821 addu r5,r0,r0
0007aee8: 3c02800c lui r2,0x800c
0007aeec: 9442df08 lhu r2,-0x20f8(r2)
0007aef0: 3c01800c lui r1,0x800c
0007aef4: a422df04 sh r2,-0x20fc(r1)
0007aef8: 8fbf0010 lw r31,0x0010(r29)
0007aefc: 27bd0018 addiu r29,r29,0x0018
0007af00: 03e00008 jr r31
0007af04: 00000000 nop