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WIP: trying to see if I can get this tape execution working

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This commit is contained in:
Edward R. Gonzalez
2026-06-14 18:38:38 -04:00
parent 2c3d0c4af7
commit 1b77d8bae3
4 changed files with 205 additions and 9 deletions
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code/gte_hello/hello_gte.c
+36
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@@ -12,6 +12,7 @@
#include "duffle/mips.h"
#include "duffle/gp.h"
#include "duffle/gte.h"
#include "duffle/lottes_tape.h"
#include "hello_gte.h"
enum {
@@ -229,6 +230,7 @@ void update(PrimitiveArena* pa, U4* ordering_buf)
static_mem.cube.rot.y += 30;
}
// Draw Floor
if (0)
{
m3s2_rotation (& static_mem.floor.rot, & static_mem.tform_world);
m3s2_translation(& static_mem.tform_world, & static_mem.floor.pos);
@@ -282,6 +284,40 @@ void update(PrimitiveArena* pa, U4* ordering_buf)
}
static_mem.floor.rot.y += 5;
}
// Draw floor tape method
if (1)
{
LP_ U4 mem_temp_tape[512]; // Buffer for function addresses
FArena tape_arena;
farena_init(&tape_arena, slice_ut(mem_temp_tape, S_(mem_temp_tape)));
TapeBuilder tb = tb_begin(&tape_arena); {
// Setup state atoms
m3s2_rotation(&static_mem.floor.rot, &static_mem.tform_world);
m3s2_translation(&static_mem.tform_world, &static_mem.floor.pos);
// Push "Protocol" to tape
tb_emit(&tb, code_atom_set_gte_world);
tb_emit(&tb, (Code*)&static_mem.tform_world);
for (U4 i = 0; i < Floor_num_faces; i++) {
tb_emit(&tb, code_atom_floor_tri);
}
}
Slice_U4 tape = tb_end(&tb);
// 1. Setup Argument Registers (The Workspace)
register V3_S2* face_cursor rgcc(R_T4) = static_mem.floor.faces;
register V3_S2* vert_base rgcc(R_T5) = static_mem.floor.verts;
register U4* ot_base rgcc(R_T6) = ordering_buf;
// --- EXECUTION ---
B1* prim_cursor = (B1*)r_(pa->buf)[static_mem.active_buf_id] + pa->used;
// 2. Fire the Tape Drive (Explicitly bind the workspace variables)
tape_run(tape, &prim_cursor, static_mem.floor.faces, static_mem.floor.verts, ordering_buf);
// 3. Update C-side state
pa->used = (U4)prim_cursor - (U4)r_(pa->buf)[static_mem.active_buf_id];
static_mem.floor.rot.y += 5;
}
}
int main(void)