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need to change symbols..

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This commit is contained in:
Edward R. Gonzalez
2026-07-07 23:28:20 -04:00
parent 101b07fe71
commit 0b147a8b0c
3 changed files with 17 additions and 17 deletions
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code/duffle/lottes_tape.h
+11 -11
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@@ -118,7 +118,7 @@ FI_ Slice_U4 tb_slice(TapeBuilder tb) { return (Sli
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) */ \
, load_upper_i(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) */ \
@@ -219,23 +219,23 @@ internal MipsAtom_(diag_yield) { mac_yield() };
// TODO(Ed): Reduce magic numbers/offsets
/* 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, 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),
store_word( R_0, R_T7, 0),
load_upper_i(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),
/* Fake coordinates - Swapped winding order to prevent GPU culling! */
load_ui(R_AT, 0x0010), or_i(R_AT, R_AT, 0x0010), store_word(R_AT, R_T7, 8), /* (16, 16) */
load_ui(R_AT, 0x0050), or_i(R_AT, R_AT, 0x0010), store_word(R_AT, R_T7, 12), /* (80, 16) */
load_ui(R_AT, 0x0010), or_i(R_AT, R_AT, 0x0050), store_word(R_AT, R_T7, 16), /* (16, 80) */
load_upper_i(R_AT, 0x0010), or_i(R_AT, R_AT, 0x0010), store_word(R_AT, R_T7, 8), /* (16, 16) */
load_upper_i(R_AT, 0x0050), or_i(R_AT, R_AT, 0x0010), store_word(R_AT, R_T7, 12), /* (80, 16) */
load_upper_i(R_AT, 0x0010), or_i(R_AT, R_AT, 0x0050), store_word(R_AT, R_T7, 16), /* (16, 80) */
add_ui( R_T1, R_0, 10),
shift_ll(R_T1, R_T1, 2),
add_u( R_T1, R_T1, R_T6),
load_word( R_AT, R_T1, 0),
load_ui( R_V0, 0x0400), // <--- Fills load delay slot!
store_word(R_AT, R_T7, 0),
load_word( R_AT, R_T1, 0),
load_upper_i(R_V0, 0x0400), // <--- Fills load delay slot!
store_word( R_AT, R_T7, 0),
shift_ll( R_AT, R_T7, 8), shift_lr(R_AT, R_AT, 8),
or_u( R_AT, R_AT, R_V0),
code/duffle/mips.h
+1 -1
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@@ -258,7 +258,7 @@ enum { _BitOffsets = 0
#define and_si(rt, rs, imm) enc_i(op_andi, (rs), (rt), (imm))
#define or_i(rt, rs, imm) enc_i(op_ori, (rs), (rt), (imm))
#define xor_i(rt, rs, imm) enc_i(op_xori, (rs), (rt), (imm))
#define load_ui(rt, imm) enc_i(op_lui, R_0, (rt), (imm))
#define load_upper_i(rt, imm) enc_i(op_lui, R_0, (rt), (imm))
#define load_u1 load_byte_u
#define load_u2 load_half_u
code/gte_hello/hello_gte_tape.c
+5 -5
View File
@@ -18,7 +18,7 @@ void fk() {
/* Words: 3; High: 0x20/B, Low: G/R */
#define mac_format_f3_color(color_hi, color_lo) \
load_ui( R_AT, gcmd_poly_f3 << 8 | color_hi) \
load_upper_i( R_AT, gcmd_poly_f3 << 8 | color_hi) \
, or_i( R_AT, R_AT, color_lo) \
, store_word(R_AT, R_PrimCursor, O_(Poly_F3,color)) \
@@ -105,28 +105,28 @@ MipsAtom_(cube_tri) {
store_word(R_0, R_PrimCursor, 0),
/* Word 1: c0 (BGR) + code = 0x38FF00FF (magenta, opcode 0x38) */
load_ui(R_AT, 0x38FF), or_i(R_AT, R_AT, 0x00FF),
load_upper_i(R_AT, 0x38FF), or_i(R_AT, R_AT, 0x00FF),
store_word(R_AT, R_PrimCursor, 4),
/* Word 2: p0 = SXY0 (stored BEFORE RTPS overwrites it) */
gte_sw(C2_SXY0, R_PrimCursor, 8),
/* Word 3: c1 (BGR) + pad = 0x0000FFFF (yellow) */
load_ui(R_AT, 0x0000), or_i(R_AT, R_AT, 0xFFFF),
load_upper_i(R_AT, 0x0000), or_i(R_AT, R_AT, 0xFFFF),
store_word(R_AT, R_PrimCursor, 12),
/* Word 4: p1 = SXY1 */
gte_sw(C2_SXY1, R_PrimCursor, 16),
/* Word 5: c2 (BGR) + pad = 0x00FFFF00 (cyan) */
load_ui(R_AT, 0x00FF), or_i(R_AT, R_AT, 0xFF00),
load_upper_i(R_AT, 0x00FF), or_i(R_AT, R_AT, 0xFF00),
store_word(R_AT, R_PrimCursor, 20),
/* Word 6: p2 = SXY2 */
gte_sw(C2_SXY2, R_PrimCursor, 24),
/* Word 7: c3 (BGR) + pad = 0x0000FF00 (green) */
load_ui(R_AT, 0x0000), or_i(R_AT, R_AT, 0xFF00),
load_upper_i(R_AT, 0x0000), or_i(R_AT, R_AT, 0xFF00),
store_word(R_AT, R_PrimCursor, 28),
/* ── 7. Load V3 = verts[face->w] into V0 ─────────────────────────────── */