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Finished(Controller Input): Reading Joypad State

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ed
2026-07-31 15:15:51 -04:00
parent 315e1b2c5e
commit 09dde54030
9 changed files with 210 additions and 74 deletions
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code/duffle/lottes_tape.h
+7 -4
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@@ -60,7 +60,7 @@ enum {
atom_dbg_skip MipsAtom_(tape_exit) { jump_reg(rret_addr), nop };
/* Generalized Tape Engine Runner */
NI_ void tape_run(Slice_MipsCode tape) { register U4* tp rgcc(R_TapePtr) = u4_r(tape.ptr); asm volatile(
FI_ void tape_run(Slice_MipsCode tape) { register U4* tp rgcc(R_TapePtr) = u4_r(tape.ptr); asm volatile(
asm_words(
add_ui( R_SP, R_SP, -MipsStackAlignment) /* Allocate stack space */
, store_word( R_RA, R_SP, 0) /* Safely backup $ra to the stack */
@@ -93,7 +93,10 @@ FI_ void tb_data(TapeBuilder* tb, U4 data) { u4_r(tb->ptr)[tb->used] = u4
FI_ Slice_MipsCode tb_end (TapeBuilder* tb) { tb_emit(tb,tape_exit); return (Slice_MipsCode){ C_(U4*,tb->ptr), tb->used }; }
FI_ Slice_MipsCode tb_slice(TapeBuilder tb) { return (Slice_MipsCode){ C_(U4*,tb.ptr), tb.used }; }
#define tb_scope(tb) for(U4 tbs_once=0;tbs_once==0;++tbs_once,tb_emit(tb,tape_exit))
#define tb_scope(tb) for(U4 tbs_once=0;tbs_once==0;++tbs_once,tb_emit(tb,tape_exit))
FI_ void tb_scope_run_end(TapeBuilder* tb) { tb_emit(tb,tape_exit); tape_run(tb_slice(tb[0])); }
#define tb_scope_run(tb) for(U4 tbs_once=0;tbs_once==0;++tbs_once,tb_scope_run_end(tb))
#pragma endregion Tape Drive
@@ -132,7 +135,7 @@ MipsAtomComp_(ac_insert_ot_tag_f3) {
load_word( R_AT, R_T1, O_(PolyTag,code)), // AT = old_ot_head
load_upper_i(R_V0, (S_(Poly_F3)/S_(U4) - S_(PolyTag)/S_(U4)) << PolyTag_len_bits), // V0 = (5 - 1) << 24 = 4 << 24
mask_upper( 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
or( R_AT, R_AT, R_V0), // Merge length
store_word( R_AT, R_PrimCursor, O_(PolyTag,code)), // prim->tag = packed(prim_length, old_addr)
shift_lleft( R_AT, R_PrimCursor, S_(PolyTag_len_bits)), // AT = (prim_length << 24) | old_addr
shift_lright(R_AT, R_AT, S_(PolyTag_len_bits)),
@@ -147,7 +150,7 @@ MipsAtomComp_(ac_insert_ot_tag_g4) {
load_word( R_AT, R_T1, O_(PolyTag,code)), // AT = old_ot_head
load_upper_i(R_V0, (S_(Poly_G4)/S_(U4) - S_(PolyTag)/S_(U4)) << PolyTag_len_bits), // V0 = (9 - 1) << 24 = 8 << 24
mask_upper( 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
or( R_AT, R_AT, R_V0), // Merge length
store_word( R_AT, R_PrimCursor, O_(PolyTag,code)), // prim->tag = packed(prim_length, old_addr)
shift_lleft( R_AT, R_PrimCursor, S_(PolyTag_len_bits)), // AT = (prim_length << 24) | old_addr
shift_lright(R_AT, R_AT, S_(PolyTag_len_bits)),