ed/pikuma_ps1
1
0
Fork 0
mirror of https://github.com/Ed94/pikuma_ps1.git synced 2026-08-14 11:38:14 +00:00
Code Issues Packages Projects Releases Wiki Activity

minor

Browse Source
This commit is contained in:
ed
2026-08-12 22:41:52 -04:00
parent 3ea3e8d105
commit d5f28b83ea
5 changed files with 34 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files
code/duffle/gen/macs.h
+3 -7
View File
@@ -199,13 +199,9 @@ WORD_COUNT(mac_gte_gpf_scale, 13)
, gte_lw(C2_VXY0, r_vec, 0) \
, load_word(r_t0, r_vec, 4) \
, nop \
, gte_lw(C2_VZ0, r_vec, 4) /* RTPS cv=3 (no translation contribution: TRX/TRY/TRZ are zeroed, BK is zero-initialized),
* sf=1 (integer, no shift = full 32-bit R*pos product), v=0 (uses V0 input), mx=0 (rotation matrix).
* MAC1 = RT11*V0.x + RT12*V0.y + RT13*V0.z + 0
* MAC2 = RT21*V0.x + RT22*V0.y + RT23*V0.z + 0
* MAC3 = RT31*V0.x + RT32*V0.y + RT33*V0.z + 0
* Side effect: RTPS also writes SXY0/1/2 and SZ0..SZ3 (perspective projection). Ignored.
* Note: gte_cmdw_rtps_no_tr (the cv=3 alias) was removed from gte.h. Use gte_cmdw_rtps_sf1. */ \
, gte_lw(C2_VZ0, r_vec, 4) /* RTPS: cv=3 (no translation), sf=1 (no shift, integer), v=0 (V0 input),
* mx=0 (rotation matrix). MAC = RT row · V0 + 0. RTPS also writes
* SXY0/1/2 + SZ0..SZ3 (perspective division); ignored. */ \
, gte_cmdw_rtps_sf1 /* Read MAC1/2/3 → out. */ \
, gte_mv_from_data_r(r_t0, C2_MAC1) \
, gte_mv_from_data_r(r_t1, C2_MAC2) \