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Completed C-side of: Camera Transformation chapter. Now todo atom tape translation...

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ed
2026-08-08 16:42:07 -04:00
parent 917b764d95
commit 68b87f1c8b
11 changed files with 268 additions and 108 deletions
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code/duffle/gte.atom.c
+6 -6
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@@ -53,16 +53,16 @@ FI_ Slice_MipsCode ac_gte_store_g4_p3(U4 r_primitive_cursor) atom_dbg_skip MipsA
#pragma region Bsked Atoms
typedef Struct_(Binds_SetGteWorld) {
M3_S2* transform;
typedef Struct_(Binds_SetGteMT3S2S4) {
MT3_S2S4* transform;
};
internal MipsAtom_(set_gte_world) atom_info(
atom_bind(Binds_SetGteWorld)
internal MipsAtom_(set_gte_mt3s2s4) atom_info(
atom_bind(Binds_SetGteMT3S2S4)
, atom_reads(R_TapePtr)
){
/* Pop matrix address from tape into R_T3 ($11) */
load_word(R_T3, R_TapePtr, O_(Binds_SetGteWorld,transform)),
add_ui_self( R_TapePtr, S_(Binds_SetGteWorld)),
load_word(R_T3, R_TapePtr, O_(Binds_SetGteMT3S2S4,transform)),
add_ui_self( R_TapePtr, S_(Binds_SetGteMT3S2S4)),
/* Load 3x3 Rotation + 3x1 Translation from R_T3 into GTE CONTROL Regs (ctc2) */
load_word(R_T0, R_T3, 0), load_word(R_T1, R_T3, 4),
gte_mv_to_ctrl_r(R_T0, gte_cr_RT11), gte_mv_to_ctrl_r(R_T1, gte_cr_RT12),