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doing dwarf injectiion/mods for the tape atoms. syncs with vscode cursor.

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Edward R. Gonzalez
2026-07-12 12:51:29 -04:00
parent aca6e30e20
commit f7aa7b75e7
5 changed files with 896 additions and 24 deletions
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code/gte_hello/hello_gte_tape.c
+20 -20
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@@ -27,10 +27,10 @@ internal MipsAtom_(rbind_cube_g4_face) atom_info(atom_bind(Binds_CubeTri)
, atom_writes(R_PrimCursor, R_FaceCursor, R_VertBase, R_OtBase)
){
/* Pop 4 arguments from the tape directly into the workspace registers */
load_word(R_PrimCursor, R_TapePtr, O_(Binds_CubeTri,PrimCursor)),
load_word(R_FaceCursor, R_TapePtr, O_(Binds_CubeTri,FaceCursor)),
load_word(R_VertBase, R_TapePtr, O_(Binds_CubeTri,VertBase)),
load_word(R_OtBase, R_TapePtr, O_(Binds_CubeTri,OtBase)),
load_word(R_PrimCursor, R_TapePtr, O_(Binds_CubeTri,PrimCursor)),
load_word(R_FaceCursor, R_TapePtr, O_(Binds_CubeTri,FaceCursor)),
load_word(R_VertBase, R_TapePtr, O_(Binds_CubeTri,VertBase)),
load_word(R_OtBase, R_TapePtr, O_(Binds_CubeTri,OtBase)),
add_ui_self( R_TapePtr, S_(Binds_CubeTri)),
mac_yield()
};
@@ -41,7 +41,7 @@ internal MipsAtom_(rbind_cube_g4_face) atom_info(atom_bind(Binds_CubeTri)
* Reads 4 indices from R_FaceCur (V4_S2 = 8 bytes), loads 4 vertices into
* the GTE, runs the PsyQ RotAverageNclip4 sequence, and renders a Poly_G4.
*/
internal
internal
MipsAtom_(cube_g4_face) atom_info(
atom_reads( R_PrimCursor, R_FaceCursor, R_VertBase, R_OtBase),
atom_writes(R_PrimCursor, R_FaceCursor)
@@ -94,21 +94,21 @@ typedef Struct_(Binds_FloorTri) {
V3_S2* VertBase;
U4* OtBase;
};
internal
internal
MipsAtom_(rbind_floor_f3_face) atom_info(atom_bind(Binds_FloorTri)
, atom_reads(R_TapePtr)
, atom_writes(R_PrimCursor, R_FaceCursor, R_VertBase, R_OtBase)
){
/* Pop 4 arguments from the tape directly into the workspace registers */
load_word(R_PrimCursor, R_TapePtr, O_(Binds_FloorTri,PrimCursor)),
load_word(R_FaceCursor, R_TapePtr, O_(Binds_FloorTri,FaceCursor)),
load_word(R_VertBase, R_TapePtr, O_(Binds_FloorTri,VertBase)),
load_word(R_OtBase, R_TapePtr, O_(Binds_FloorTri,OtBase)),
load_word(R_PrimCursor, R_TapePtr, O_(Binds_FloorTri,PrimCursor)),
load_word(R_FaceCursor, R_TapePtr, O_(Binds_FloorTri,FaceCursor)),
load_word(R_VertBase, R_TapePtr, O_(Binds_FloorTri,VertBase)),
load_word(R_OtBase, R_TapePtr, O_(Binds_FloorTri,OtBase)),
add_ui_self( R_TapePtr, S_(Binds_FloorTri)),
mac_yield()
};
internal
internal
MipsAtom_(floor_f3_face) atom_info(
, atom_reads( R_PrimCursor, R_FaceCursor, R_VertBase, R_OtBase)
, atom_writes(R_PrimCursor, R_FaceCursor)
@@ -117,7 +117,7 @@ MipsAtom_(floor_f3_face) atom_info(
mac_gte_load_tri_verts(R_T0, R_T1, R_T2),
nop2, gte_cmdw_rotate_translate_perspective_triple,
nop2, gte_cmdw_nclip,
/* Culling (Branch forward if Backface) */
nop2, gte_mv_from_data_r(R_T0, C2_MAC0),
nop,
@@ -125,21 +125,21 @@ MipsAtom_(floor_f3_face) atom_info(
/* Format Primitive */
mac_format_f3_color(0xFF, 0xFF, 0xFF), // RGB-form (R=FF, G=FF, B=FF = white)
mac_gte_store_f3_post_rtpt(),
/* Calculate Depth */
nop2, gte_avg_sort_z3,
nop2, gte_mv_from_data_r(R_T1, C2_OTZ),
nop2, gte_avg_sort_z3,
nop2, gte_mv_from_data_r(R_T1, C2_OTZ),
/* Bounds Check OTZ < 2048 (Branch forward to skip insertion) */
add_ui( R_AT, R_0, OrderingTbl_Len),
set_lt_u( R_AT, R_T1, R_AT),
branch_equal(R_AT, R_0, atom_offset(bounds_chk, floor_f3_face_exit)), nop,
add_ui( R_AT, R_0, OrderingTbl_Len),
set_lt_u( R_AT, R_T1, R_AT),
branch_equal(R_AT, R_0, atom_offset(bounds_chk, floor_f3_face_exit)), nop,
/* Insert into Ordering Table Linked List */
mac_insert_ot_tag_f3(),
add_ui_self(R_PrimCursor, S_(Poly_F3)), /* Advance Prim Cursor (5 words) */
// Note(Ed): No bounds checking, should be checked before atom runs.
/* Advance Input Cursor & Yield (Both branch targets land here) */
atom_label(floor_f3_face_exit)
atom_label(floor_f3_face_exit)
add_ui_self(R_FaceCursor, S_(S2) * 4), /* Advance Face Cursor (4 * S2 = 8 bytes) */
mac_yield()
};
@@ -150,7 +150,7 @@ internal MipsAtom_(sync_primitive_arena) atom_info(atom_bind(Binds_SyncPrimitive
, atom_writes(R_TapePtr)
){
load_word(R_AT, R_TapePtr, O_(Binds_SyncPrimitiveArena,used)),
load_word(R_T0, R_TapePtr, O_(Binds_SyncPrimitiveArena,cursor)),
load_word(R_T0, R_TapePtr, O_(Binds_SyncPrimitiveArena,cursor)),
add_ui_self( R_TapePtr, S_(Binds_SyncPrimitiveArena)),
/* Calculate byte offset and store directly back to RAM */
sub_u( R_T0, R_PrimCursor, R_T0), // R_T0 = R_PrimCursor - binds.cursor