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fixes, de-obufscation... still confused about formating color...

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ed
2026-07-07 22:12:06 -04:00
parent a01e724211
commit 101b07fe71
8 changed files with 73 additions and 42 deletions
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code/duffle/lottes_tape.h
+17 -18
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@@ -108,24 +108,23 @@ FI_ Slice_U4 tb_slice(TapeBuilder tb) { return (Sli
gte_mt(R_V1, V.z [#]);
*/
#define mac_load_tri_verts(rId_0, rId_1, rId_2) \
shift_ll(R_AT, rId_0, 3), add_u(R_AT, R_AT, R_VertBase), load_word(R_V0, R_AT, 0), load_word(R_V1, R_AT, 4), gte_mt(R_V0, C2_VXY0), gte_mt(R_V1, C2_VZ0) \
, shift_ll(R_AT, rId_1, 3), add_u(R_AT, R_AT, R_VertBase), load_word(R_V0, R_AT, 0), load_word(R_V1, R_AT, 4), gte_mt(R_V0, C2_VXY1), gte_mt(R_V1, C2_VZ1) \
, shift_ll(R_AT, rId_2, 3), add_u(R_AT, R_AT, R_VertBase), load_word(R_V0, R_AT, 0), load_word(R_V1, R_AT, 4), gte_mt(R_V0, C2_VXY2), gte_mt(R_V1, C2_VZ2)
shift_ll(R_AT, rId_0, v3s2_byteoff), add_u_1(R_AT, R_VertBase), load_word(R_V0, R_AT, O_(V3_S2,x)), load_word(R_V1, R_AT, O_(V3_S2,z)), gte_mt(R_V0, C2_VXY0), gte_mt(R_V1, C2_VZ0) \
, shift_ll(R_AT, rId_1, v3s2_byteoff), add_u_1(R_AT, R_VertBase), load_word(R_V0, R_AT, O_(V3_S2,x)), load_word(R_V1, R_AT, O_(V3_S2,z)), gte_mt(R_V0, C2_VXY1), gte_mt(R_V1, C2_VZ1) \
, shift_ll(R_AT, rId_2, v3s2_byteoff), add_u_1(R_AT, R_VertBase), load_word(R_V0, R_AT, O_(V3_S2,x)), load_word(R_V1, R_AT, O_(V3_S2,z)), gte_mt(R_V0, C2_VXY2), gte_mt(R_V1, C2_VZ2)
//TODO(Ed): Add more type annotation
/* Words: 11; Correctly inserts a primitive into the Ordering Table linked list */
#define mac_insert_ot_tag(r_otz, prim_length) \
shift_ll( R_T1, r_otz, 2) \
, add_u( R_T1, R_T1, R_OtBase) /* T1 = &OrderingTable[OTZ] */ \
, load_word( R_AT, R_T1, 0) /* AT = old_ot_head */ \
, load_ui( R_V0, prim_length) /* V0 = Length << 24 */ \
, shift_ll( R_AT, R_AT, 8) /* Strip upper 8 bits from old_ot */ \
, shift_lr( R_AT, R_AT, 8) \
, or_u( R_AT, R_AT, R_V0) /* Merge length */ \
, store_word(R_AT, R_PrimCursor, 0) /* prim->tag = old_ot_head */ \
, shift_ll( R_AT, R_PrimCursor, 8) /* AT = PrimCur & 0x00FFFFFF */ \
, shift_lr( R_AT, R_AT, 8) \
, store_word(R_AT, R_T1, 0) /* OrderingTable[OTZ] = PrimCur */
#define mac_insert_ot_tag(r_otz, prim_length) \
shift_ll( R_T1, r_otz, 2) /* T1 = r_otz * S_(U4) */ \
, add_u( R_T1, R_T1, R_OtBase) /* T1 = & OrderingTable[OTZ] */ \
, load_word(R_AT, R_T1, O_(PolyTag,bf_addr_len)) /* AT = old_ot_head */ \
, load_ui( R_V0, prim_length) /* V0 = prim_length << 16 (high 16 bits of a tag) */ \
, shift_ll_lr(R_AT, R_AT, S_(PolyTag_len_bits)) /* Strip upper 8 bits (length from prev cell) → keep only low 24 */ \
, or_u( R_AT, R_AT, R_V0) /* Merge length */ \
, store_word(R_AT, R_PrimCursor, O_(PolyTag,bf_addr_len)) /* prim->tag = packed(prim_length, old_addr) */ \
, shift_ll( R_AT, R_PrimCursor, S_(PolyTag_len_bits)) /* AT = (prim_length << 24) | old_addr */ \
, shift_lr( R_AT, R_AT, S_(PolyTag_len_bits)) \
, store_word(R_AT, R_T1, O_(PolyTag,bf_addr_len)) /* OrderingTable[OTZ] = PrimCursor */
#pragma endregion Macro Atom Components
@@ -179,7 +178,7 @@ enum {
*/
// TODO(Ed): Annotate magic offsets
internal MipsAtom_(mips_flush_icache) {
add_ui(rstack_ptr, rstack_ptr, -8) /* sp -= 8 */
add_ui(rstack_ptr, rstack_ptr, -MipsStackAlignment) /* sp -= 8 */
, store_word(rret_addr, rstack_ptr, 4) /* sw $ra, 4($sp) */
, add_ui(rret_0, rdiscard, bios_flushcache) /* addiu $a0, $0, 0x44 */
, add_ui(rtmp_0, rdiscard, bios_table_addr) /* addiu $t0, $0, 0xA0 */
@@ -187,7 +186,7 @@ internal MipsAtom_(mips_flush_icache) {
, nop /* BD slot */
, load_word(rret_addr, rstack_ptr, 4) /* lw $ra, 4($sp) */
, jump_reg(rret_addr) /* jr $ra */
, add_ui(rstack_ptr, rstack_ptr, 8) /* sp += 8 (BD) */
, add_ui(rstack_ptr, rstack_ptr, MipsStackAlignment) /* sp += 8 (BD) */
, mac_yield()
};
@@ -221,7 +220,7 @@ internal MipsAtom_(diag_yield) { mac_yield() };
/* DIAGNOSTIC 2: Pure memory test (No GTE). Draws a fixed cyan triangle. */
internal MipsAtom_(diag_color) {
store_word(R_0, R_T7, 0),
load_ui( R_AT, 0x20FF), /* High: MipsCode 0x20 + Color B:FF */
load_ui( R_AT, gcmd_poly_f3 << 8 | 0xFF), /* High: MipsCode Poly_F3(0x20) + Color B:FF */
or_i( R_AT, R_AT, 0xFF00), /* Low: Color G:FF, R:00 (Cyan) */
store_word(R_AT, R_T7, 4),