start using GTE, rotate triangle with MVMVA cmd

[psx_test1] / src / gte.S

diff --git a/src/gte.S b/src/gte.S
new file mode 100644 (file)
index 0000000..d525992
--- /dev/null
+++ b/src/gte.S
@@ -0,0 +1,16 @@
+#include <regdef.h>
+       .text
+       .set noreorder
+
+       .equ C0_SR, $12
+
+       .globl gte_init
+gte_init:
+       mfc0 t0, C0_SR
+       li t1, 0x40000000
+       or t0, t0, t1
+       jr ra
+       mtc0 t0, C0_SR          # bd
+
+
+# vi:ts=8 sts=8 sw=8 ft=mips: