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tcg2disasm.py: Add handling for cp16- and add- variants

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earthoul
2025-12-14 22:39:55 +09:00
parent 07b8c036f6
commit dc8c1bf669
1 changed files with 79 additions and 1 deletions
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80
tools/tcg2disasm.py
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@@ -1198,7 +1198,8 @@ class Disassembler(object):
opcode_arg_3 = rom[offset+3]
if opcode_nargs == 0:
# handle cp16
# handle cp16*
# cp16 card_id
if opcode_byte == 0x7a \
and rom[offset+1] == 0xfe \
and rom[offset+3] == 0x20 and rom[offset+4] == 0x03 \
@@ -1207,6 +1208,61 @@ class Disassembler(object):
card_id = (rom[offset+2] << 8) + rom[offset+7]
opcode_output_str = "cp16 " + cards[card_id]
opcode_nargs = 7
# cp16 bc
elif opcode_byte == 0x7a \
and rom[offset+1] == 0xb8 \
and rom[offset+2] == 0x20 and rom[offset+3] == 0x02 \
and rom[offset+4] == 0x7b \
and rom[offset+5] == 0xb9:
opcode_output_str = "cp16 bc"
opcode_nargs = 5
# cp16_long
elif opcode_byte == 0x7a \
and rom[offset+1] == 0xfe \
and rom[offset+3] == 0x38 and rom[offset+4] == 0x05 \
and rom[offset+5] == 0x20 and rom[offset+6] == 0x03 \
and rom[offset+7] == 0x7b \
and rom[offset+8] == 0xfe:
cp16val = (rom[offset+2] << 8) + rom[offset+9]
opcode_output_str = "cp16_long ${:x}".format(cp16val)
opcode_nargs = 9
# cp16_long bc
elif opcode_byte == 0x7a \
and rom[offset+1] == 0xb8 \
and rom[offset+2] == 0x38 and rom[offset+3] == 0x04 \
and rom[offset+4] == 0x20 and rom[offset+5] == 0x02 \
and rom[offset+6] == 0x7b \
and rom[offset+7] == 0xb9:
opcode_output_str = "cp16_long bc"
opcode_nargs = 7
# cp16bc_long
elif opcode_byte == 0x78 \
and rom[offset+1] == 0xb8 \
and rom[offset+3] == 0x38 and rom[offset+4] == 0x05 \
and rom[offset+5] == 0x20 and rom[offset+6] == 0x03 \
and rom[offset+7] == 0x79 \
and rom[offset+8] == 0xfe:
cp16val = (rom[offset+2] << 8) + rom[offset+9]
opcode_output_str = "cp16bc_long ${:x}".format(cp16val)
opcode_nargs = 9
# cp16bc_long de
elif opcode_byte == 0x78 \
and rom[offset+1] == 0xba \
and rom[offset+2] == 0x38 and rom[offset+3] == 0x04 \
and rom[offset+4] == 0x20 and rom[offset+5] == 0x02 \
and rom[offset+6] == 0x79 \
and rom[offset+7] == 0xbb:
opcode_output_str = "cp16bc_long de"
opcode_nargs = 7
# cp16bc_long hl
elif opcode_byte == 0x78 \
and rom[offset+1] == 0xbc \
and rom[offset+2] == 0x38 and rom[offset+3] == 0x04 \
and rom[offset+4] == 0x20 and rom[offset+5] == 0x02 \
and rom[offset+6] == 0x79 \
and rom[offset+7] == 0xbd:
opcode_output_str = "cp16bc_long hl"
opcode_nargs = 7
# handle cphl
elif opcode_byte == 0x23 \
and rom[offset+1] == 0x3a \
@@ -1217,6 +1273,28 @@ class Disassembler(object):
card_id = (rom[offset+3] << 8) + rom[offset+8]
opcode_output_str = "cphl " + cards[card_id]
opcode_nargs = 8
# handle add_*_a
# add_hl_a
elif opcode_byte == 0x85 \
and rom[offset+1] == 0x6f \
and rom[offset+2] == 0x30 and rom[offset+3] == 0x01 \
and rom[offset+4] == 0x24:
opcode_output_str = "add_hl_a"
opcode_nargs = 4
# add_de_a
elif opcode_byte == 0x83 \
and rom[offset+1] == 0x5f \
and rom[offset+2] == 0x30 and rom[offset+3] == 0x01 \
and rom[offset+4] == 0x14:
opcode_output_str = "add_de_a"
opcode_nargs = 4
# add_at_hl_a
elif opcode_byte == 0x86 \
and rom[offset+1] == 0x22 \
and rom[offset+2] == 0x30 and rom[offset+3] == 0x01 \
and rom[offset+4] == 0x34:
opcode_output_str = "add_at_hl_a"
opcode_nargs = 4
else:
# set output string simply as the opcode
opcode_output_str = opcode_str