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wip: input was working... messed it up (bios snapshot reads)

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ed
2026-08-04 00:50:12 -04:00
parent 8282f8e902
commit f17fa9165e
20 changed files with 1259 additions and 1219 deletions
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code/hello_gte/hello_gte.tape.c
+62
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@@ -16,6 +16,68 @@
#pragma region Baked Atoms
/* DIAGNOSTIC 1: Pure tape loop test */
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_upper_i(R_AT, gp0_cmd_poly_f3 << 8 | 0xFF), /* High: MipsCode Poly_F3(0x20) + Color B:FF */
or_i_self( 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_upper_i(R_AT, 0x0010), or_i_self(R_AT, 0x0010), store_word(R_AT, R_T7, 8), /* (16, 16) */
load_upper_i(R_AT, 0x0050), or_i_self(R_AT, 0x0010), store_word(R_AT, R_T7, 12), /* (80, 16) */
load_upper_i(R_AT, 0x0010), or_i_self(R_AT, 0x0050), store_word(R_AT, R_T7, 16), /* (16, 80) */
add_ui( R_T1, R_0, 10),
shift_lleft_self(R_T1, S_(U4)/2),
add_u_self( R_T1, R_T6),
load_word( R_AT, R_T1, 0),
load_upper_i(R_V0, (S_(Poly_F3)/S_(U4) - S_(PolyTag)/S_(U4)) << PolyTag_len_bits),
store_word( R_AT, R_T7, 0),
shift_lleft(R_AT, R_T7, S_(PolyTag_len_bits)), shift_lright(R_AT, R_AT, S_(PolyTag_len_bits)),
or_u_self( R_AT, R_V0),
store_word( R_AT, R_T1, 0),
add_ui(R_T7, R_T7, 20),
mac_yield()
};
/* DIAGNOSTIC 3: Pure GTE test (No Memory Writes) */
internal MipsAtom_(diag_gte) {
/* Load 3 indices */
load_half_u(R_T0, R_T4, 0),
load_half_u(R_T1, R_T4, 2),
load_half_u(R_T2, R_T4, 4),
/* Load Vertices into GTE */
shift_lleft( R_AT, R_T0, 3), add_u( R_AT, R_AT, R_T5),
load_word(R_V0, R_AT, 0), load_word(R_V1, R_AT, 4),
gte_mv_to_data_r(R_V0, C2_VXY0), gte_mv_to_data_r(R_V1, C2_VZ0),
shift_lleft( R_AT, R_T1, 3), add_u(R_AT, R_AT, R_T5),
load_word(R_V0, R_AT, 0), load_word(R_V1, R_AT, 4),
gte_mv_to_data_r(R_V0, C2_VXY1), gte_mv_to_data_r(R_V1, C2_VZ1),
shift_lleft(R_AT, R_T2, 3), add_u(R_AT, R_AT, R_T5),
load_word(R_V0, R_AT, 0), load_word(R_V1, R_AT, 4),
gte_mv_to_data_r(R_V0, C2_VXY2), gte_mv_to_data_r(R_V1, C2_VZ2),
/* Run Math */
nop2, gte_cmdw_rtpt,
nop2, gte_cmdw_nclip,
nop2,
/* Advance Face Cursor and Yield */
add_ui(R_T4, R_T4, 8),
mac_yield()
};
typedef Struct_(Binds_CubeTri) {
U4 PrimCursor;
V4_S2* FaceCursor;