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us_disassemble2: support for printing omod

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This commit is contained in:
Zack Buhman 2025-10-31 18:52:33 -05:00
parent 1dc62d90ee
commit 8e6e6e9750
1 changed files with 26 additions and 24 deletions
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50
regs/us_disassemble2.py
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@ -174,23 +174,24 @@ def disassemble_a_swizzle_sel(code):
return [mod_str(f"src{alu_sel_strs[sel]}.{swiz}", mod)
for swiz, sel, mod in zip(a_swiz, a_sels, a_mods)], a_sels
def omod_str(s, mod):
if s == 0: # * 1
return s
elif s == 1: # * 1
return f"({s}) * 1"
elif s == 2: # * 2
return f"({s}) * 2"
elif s == 3: # * 4
return f"({s}) * 4"
elif s == 4: # * 8
return f"({s}) * 8"
elif s == 5: # / 2
return f"({s}) / 2"
elif s == 6: # / 4
return f"({s}) / 4"
elif s == 7: # DISABLE OMOD
return s
def omod_str(mod):
if mod == 0: # * 1
#return f"1.0 * "
return ""
elif mod == 1: # * 2
return f"2.0 * "
elif mod == 2: # * 4
return f"4.0 * "
elif mod == 3: # * 8
return f"8.0 * "
elif mod == 4: # / 2
return f"0.5 * "
elif mod == 5: # / 4
return f"0.25 * "
elif mod == 6:
return f"0.125 * "
elif mod == 7: # DISABLE OMOD
return "(DISABLE OMOD) "
def disassemble_alu_dest(code):
a_addrd = US_ALU_ALPHA_INST.ALPHA_ADDRD(code)
@ -250,14 +251,9 @@ def assert_zeros_common(code):
assert stat_we == 0
def assert_zeros_alu(code):
rgb_omod = US_ALU_RGB_INST.OMOD(code)
alu_wmask = US_ALU_RGB_INST.ALU_WMASK(code)
assert rgb_omod in {0, 7}
assert alu_wmask == 0
a_omod = US_ALU_ALPHA_INST.OMOD(code)
w_omask = US_ALU_ALPHA_INST.W_OMASK(code)
assert a_omod in {0, 7}
assert w_omask == 0
def assert_zeros_tex(code):
@ -325,6 +321,7 @@ _a_op_operands = {
"OP_CMP": 3,
"OP_FRC": 1,
"OP_EX2": 1,
"OP_LN2": 1,
"OP_RCP": 1,
"OP_RSQ": 1,
"OP_SIN": 1,
@ -387,12 +384,17 @@ def disassemble_alu(code, is_output):
rgb_clamp_str = ".SAT" if rgb_clamp != 0 else ""
a_clamp_str = ".SAT" if alpha_clamp != 0 else ""
rgb_omod = US_ALU_RGB_INST.OMOD(code)
a_omod = US_ALU_ALPHA_INST.OMOD(code)
rgb_omod_str = omod_str(rgb_omod)
a_omod_str = omod_str(a_omod)
print(", ".join([*a_addr_strs, *rgb_addr_strs]), ":")
#print(", ".join(a_addr_strs), ":")
print(f" {a_out_str}{a_temp_str}{a_op.removeprefix('OP_').ljust(3)}{a_clamp_str} {' '.join(a_swizzle_sel)}", ",")
print(f" {a_out_str}{a_temp_str}{a_omod_str}{a_op.removeprefix('OP_').ljust(3)}{a_clamp_str} {' '.join(a_swizzle_sel)}", ",")
#print(", ".join(rgb_addr_strs), ":")
print(f" {rgb_out_str}{rgb_temp_str}{rgb_op.removeprefix('OP_').ljust(3)}{rgb_clamp_str} {' '.join(rgb_swizzle_sel)}", ";")
print(f" {rgb_out_str}{rgb_temp_str}{rgb_omod_str}{rgb_op.removeprefix('OP_').ljust(3)}{rgb_clamp_str} {' '.join(rgb_swizzle_sel)}", ";")
def disassemble_tex_swizzle_str(code):
tex_swiz_strs = ["r", "g", "b", "a"]