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145 lines
3.6 KiB
NASM
145 lines
3.6 KiB
NASM
; Macros to verify assumptions about the data or code
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table_width: MACRO
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CURRENT_TABLE_WIDTH = \1
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IF _NARG == 2
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REDEF CURRENT_TABLE_START EQUS "\2"
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ELSE
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REDEF CURRENT_TABLE_START EQUS "._table_width\@"
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{CURRENT_TABLE_START}:
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ENDC
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ENDM
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assert_table_length: MACRO
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x = \1
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ASSERT x * CURRENT_TABLE_WIDTH == @ - {CURRENT_TABLE_START}, \
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"{CURRENT_TABLE_START}: expected {d:x} entries, each {d:CURRENT_TABLE_WIDTH} bytes"
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ENDM
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list_start: MACRO
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list_index = 0
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IF _NARG == 1
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REDEF CURRENT_LIST_START EQUS "\1"
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ELSE
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REDEF CURRENT_LIST_START EQUS "._list_start\@"
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{CURRENT_LIST_START}:
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ENDC
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ENDM
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li: MACRO
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ASSERT !STRIN(\1, "@"), STRCAT("String terminator \"@\" in list entry: ", \1)
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db \1, "@"
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list_index += 1
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ENDM
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assert_list_length: MACRO
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x = \1
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ASSERT x == list_index, \
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"{CURRENT_LIST_START}: expected {d:x} entries, got {d:list_index}"
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ENDM
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nybble_array: MACRO
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CURRENT_NYBBLE_ARRAY_VALUE = 0
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CURRENT_NYBBLE_ARRAY_LENGTH = 0
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IF _NARG == 1
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REDEF CURRENT_NYBBLE_ARRAY_START EQUS "\1"
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ELSE
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REDEF CURRENT_NYBBLE_ARRAY_START EQUS "._nybble_array\@"
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{CURRENT_NYBBLE_ARRAY_START}:
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ENDC
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ENDM
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nybble: MACRO
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ASSERT 0 <= (\1) && (\1) < $10, "nybbles must be 0-15"
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CURRENT_NYBBLE_ARRAY_VALUE = (\1) | (CURRENT_NYBBLE_ARRAY_VALUE << 4)
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CURRENT_NYBBLE_ARRAY_LENGTH += 1
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IF CURRENT_NYBBLE_ARRAY_LENGTH % 2 == 0
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db CURRENT_NYBBLE_ARRAY_VALUE
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CURRENT_NYBBLE_ARRAY_VALUE = 0
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ENDC
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ENDM
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end_nybble_array: MACRO
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IF CURRENT_NYBBLE_ARRAY_LENGTH % 2
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db CURRENT_NYBBLE_ARRAY_VALUE << 4
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ENDC
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IF _NARG == 1
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x = \1
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ASSERT x == CURRENT_NYBBLE_ARRAY_LENGTH, \
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"{CURRENT_NYBBLE_ARRAY_START}: expected {d:x} nybbles, got {d:CURRENT_NYBBLE_ARRAY_LENGTH}"
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x = (x + 1) / 2
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ASSERT x == @ - {CURRENT_NYBBLE_ARRAY_START}, \
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"{CURRENT_NYBBLE_ARRAY_START}: expected {d:x} bytes"
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ENDC
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ENDM
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bit_array: MACRO
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CURRENT_BIT_ARRAY_VALUE = 0
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CURRENT_BIT_ARRAY_LENGTH = 0
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IF _NARG == 1
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REDEF CURRENT_BIT_ARRAY_START EQUS "\1"
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ELSE
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REDEF CURRENT_BIT_ARRAY_START EQUS "._bit_array\@"
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{CURRENT_BIT_ARRAY_START}:
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ENDC
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ENDM
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dbit: MACRO
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ASSERT (\1) == 0 || (\1) == 1, "bits must be 0 or 1"
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CURRENT_BIT_ARRAY_VALUE |= (\1) << (CURRENT_BIT_ARRAY_LENGTH % 8)
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CURRENT_BIT_ARRAY_LENGTH += 1
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IF CURRENT_BIT_ARRAY_LENGTH % 8 == 0
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db CURRENT_BIT_ARRAY_VALUE
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CURRENT_BIT_ARRAY_VALUE = 0
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ENDC
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ENDM
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end_bit_array: MACRO
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IF CURRENT_BIT_ARRAY_LENGTH % 8
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db CURRENT_BIT_ARRAY_VALUE
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ENDC
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IF _NARG == 1
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x = \1
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ASSERT x == CURRENT_BIT_ARRAY_LENGTH, \
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"{CURRENT_BIT_ARRAY_START}: expected {d:x} bits, got {d:CURRENT_BIT_ARRAY_LENGTH}"
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x = (x + 7) / 8
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ASSERT x == @ - {CURRENT_BIT_ARRAY_START}, \
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"{CURRENT_BIT_ARRAY_START}: expected {d:x} bytes"
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ENDC
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ENDM
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def_grass_wildmons: MACRO
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;\1: encounter rate
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CURRENT_GRASS_WILDMONS_RATE = \1
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REDEF CURRENT_GRASS_WILDMONS_LABEL EQUS "._def_grass_wildmons_\1"
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{CURRENT_GRASS_WILDMONS_LABEL}:
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db \1
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ENDM
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end_grass_wildmons: MACRO
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IF CURRENT_GRASS_WILDMONS_RATE == 0
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ASSERT 1 == @ - {CURRENT_GRASS_WILDMONS_LABEL}, \
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"def_grass_wildmons {d:CURRENT_GRASS_WILDMONS_RATE}: expected 1 byte"
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ELSE
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ASSERT WILDDATA_LENGTH == @ - {CURRENT_GRASS_WILDMONS_LABEL}, \
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"def_grass_wildmons {d:CURRENT_GRASS_WILDMONS_RATE}: expected {d:WILDDATA_LENGTH} bytes"
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ENDC
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ENDM
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def_water_wildmons: MACRO
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;\1: encounter rate
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CURRENT_WATER_WILDMONS_RATE = \1
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REDEF CURRENT_WATER_WILDMONS_LABEL EQUS "._def_water_wildmons_\1"
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{CURRENT_WATER_WILDMONS_LABEL}:
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db \1
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ENDM
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end_water_wildmons: MACRO
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IF CURRENT_WATER_WILDMONS_RATE == 0
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ASSERT 1 == @ - {CURRENT_WATER_WILDMONS_LABEL}, \
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"def_water_wildmons {d:CURRENT_WATER_WILDMONS_RATE}: expected 1 byte"
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ELSE
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ASSERT WILDDATA_LENGTH == @ - {CURRENT_WATER_WILDMONS_LABEL}, \
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"def_water_wildmons {d:CURRENT_WATER_WILDMONS_RATE}: expected {d:WILDDATA_LENGTH} bytes"
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ENDC
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ENDM
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