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intiial review on: resolve_look_at__input_and_sub_proc

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ed
2026-08-13 19:42:43 -04:00
parent 640dab7e61
commit b699b47b28
7 changed files with 82 additions and 104 deletions
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code/duffle/pad.c
+10 -10
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@@ -36,13 +36,13 @@ NI_ void pad_bios_init_start(PadBiosRaw* raw0, PadBiosRaw* raw1)
* $t2 = 0xB0 (BIOS B-table address) */
asm volatile(
asm_words(
or_u( rarg_2, rarg_1, rdiscard), /* $a2 = $a1 = raw1 */
add_ui( rarg_1, rdiscard, bios_pad_buffer_size), /* $a1 = 0x22 */
add_ui( rarg_3, rdiscard, bios_pad_buffer_size), /* $a3 = 0x22 */
add_ui( rtmp_1, rdiscard, bios_init_pad_2), /* $t1 = 0x12 */
add_ui( rtmp_2, rdiscard, bios_btable_addr), /* $t2 = 0xB0 */
call_reg(rtmp_2), /* jalr $t2, $ra */
nop /* BD slot */
or_u( R_A2, R_A0, R_0), /* $a2 = $a1 = raw1 */
add_ui( R_A1, R_0, bios_pad_buffer_size), /* $a1 = 0x22 */
add_ui( R_A3, R_0, bios_pad_buffer_size), /* $a3 = 0x22 */
add_ui( R_T1, R_0, bios_init_pad_2), /* $t1 = 0x12 */
add_ui( R_T2, R_0, bios_btable_addr), /* $t2 = 0xB0 */
call_reg(R_T2), /* jalr $t2, $ra */
nop /* BD slot */
)
asm_rpins, r_use(p0), r_use(p1)
asm_clobber:
@@ -62,9 +62,9 @@ NI_ void pad_bios_init_start(PadBiosRaw* raw0, PadBiosRaw* raw1)
/* B(13h) StartPAD2() — no args. The BIOS preserves $sp. */
asm volatile(
asm_words(
add_ui( rtmp_1, rdiscard, bios_start_pad_2), /* $t1 = 0x13 */
add_ui( rtmp_2, rdiscard, bios_btable_addr), /* $t2 = 0xB0 (re-load) */
call_reg(rtmp_2), /* jalr $t2, $ra */
add_ui( R_T1, R_0, bios_start_pad_2), /* $t1 = 0x13 */
add_ui( R_T2, R_0, bios_btable_addr), /* $t2 = 0xB0 (re-load) */
call_reg(R_T2), /* jalr $t2, $ra */
nop /* BD slot */
)
asm_clobber: