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Rename _shift enums to _pos (may change to offset, but in either case not as accurate to call them _shift, and _shift_smount is longer).

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ed
2026-08-19 13:17:08 -04:00
parent 3440c9b59e
commit cf78cfa120
3 changed files with 80 additions and 80 deletions
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code/duffle/gte.h
+16 -16
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@@ -170,20 +170,20 @@ enum {
* +------------+--+-----+------+------+------+------+---+--------+----------+
* \_____ GTE_PAYLOAD _____/ \__ GTE_CMD __/
*
* Shifts/masks below are the *bit positions* and *bit widths* of each configurable field, used by the ENC_GTE_CMD encoder.
* Mirrors the OPCODE_SHIFT / RS_SHIFT convention used in mips.h.
* Offset position & masks below are the *bit positions* and *bit widths* of each configurable field, used by the ENC_GTE_CMD encoder.
* Mirrors the OPCODE_POS / RS_POS convention used in mips.h.
*/
gte_shift_sf = 19, gte_width_sf = 1,
gte_shift_mx = 17, gte_width_mx = 2,
gte_shift_v = 15, gte_width_v = 2,
gte_shift_cv = 13, gte_width_cv = 2,
gte_shift_lm = 10, gte_width_lm = 1,
gte_shift_cmd = 0, gte_width_cmd = 6,
gte_pos_sf = 19, gte_width_sf = 1,
gte_pos_mx = 17, gte_width_mx = 2,
gte_pos_v = 15, gte_width_v = 2,
gte_pos_cv = 13, gte_width_cv = 2,
gte_pos_lm = 10, gte_width_lm = 1,
gte_pos_cmd = 0, gte_width_cmd = 6,
/* Fake command number (bits 24-20) — IGNORED by the GTE hardware per PSX-SPX `geometrytransformationenginegte.md` line 48.
* libgte's compiler emits non-zero values in this field as a disassembly signature. */
gte_shift_fake_cmd = 20,
gte_pos_fake_cmd = 20,
gte_width_fake_cmd = 5,
};
@@ -340,13 +340,13 @@ enum { _C2_TX_SUBS_ = 0
#define gte_cmd_base (enc_op(op_cop2) | (1 << 25))
/* Per-field encoders. Each one does (value & mask) << shift on its own. */
#define enc_gte_sf(sf) ((sf) << gte_shift_sf )
#define enc_gte_mx(mx) ((mx) << gte_shift_mx )
#define enc_gte_v(v) ((v) << gte_shift_v )
#define enc_gte_cv(cv) ((cv) << gte_shift_cv )
#define enc_gte_lm(lm) ((lm) << gte_shift_lm )
#define enc_gte_cmd(cmd) ((cmd) << gte_shift_cmd )
#define enc_gte_fake_cmd(x) ((x) << gte_shift_fake_cmd)
#define enc_gte_sf(sf) ((sf) << gte_pos_sf )
#define enc_gte_mx(mx) ((mx) << gte_pos_mx )
#define enc_gte_v(v) ((v) << gte_pos_v )
#define enc_gte_cv(cv) ((cv) << gte_pos_cv )
#define enc_gte_lm(lm) ((lm) << gte_pos_lm )
#define enc_gte_cmd(cmd) ((cmd) << gte_pos_cmd )
#define enc_gte_fake_cmd(x) ((x) << gte_pos_fake_cmd)
/* Composite: all six GTE fields + the COP2/CO base. */
#define enc_gte_cmdw(sf, mx, v, cv, lm, cmd) ( \