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Up.agc
124 lines (85 loc) · 2.12 KB
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Up.agc
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# See Down.agc for detailed explanation of how the code
# to move and combine numbers works. The only differences between them
# is to reverse directions and/or swap rows for columns (if horizontal)
MOVE_UP
TC SETUPMOV # Setup a table and check if can proceed - may never return!
CA GM_DONE # Load game complete status into A
EXTEND
BZF MOVING_UP # Flag is zero, not complete yet
TCF MAINLOOP
MOVING_UP
CA STA_UP
TS GM_STATE
CA ZERO
TS PLAY_ID
CA DEC1
TS ROW_ID
U_ROLOOP
INDEX ROW_ID
CA ROW_STRT
TS CUR_ID
AD DEC5
TS END_ID
U_COLOOP
INDEX CUR_ID
CA GRID_COL
TS CELLCOL
INDEX CUR_ID
CA VALUES
TS CELL_VALUE
AD DEC1
EXTEND
BZF U_NOCOL
CHK_ABV
CA CUR_ID
AD NEG5
TS CHK_ID
INDEX CHK_ID
CA VALUES
TS CHK_VALUE
AD DEC1
EXTEND
BZF MOV_UP
U_SOMEHR
INDEX CELLCOL
CA MATCHMD
EXTEND
BZF U_NOSOF
TCF U_NOCOL
U_NOSOF
CA CELL_VALUE
EXTEND
SU CHK_VALUE
EXTEND
BZF U_MATCH
TCF U_NOCOL
U_MATCH
INDEX CELLCOL
INCR MATCHMD # Set flag that we have combined in this column
TC UPGRADE # Increase target cell, empty orig cell
TCF U_NOCOL
MOV_UP
INCR PLAY_ID
CA CELL_VALUE
INDEX CHK_ID
TS VALUES
CA NEG_ONE
INDEX CUR_ID
TS VALUES
U_NOCOL
INCR CUR_ID
CA CUR_ID
EXTEND
SU END_ID
EXTEND
BZF U_NXTRW
TCF U_COLOOP
U_NXTRW
TS NEWJOB
CA DEC2
EXTEND
SU ROW_ID
EXTEND
BZF D_DONE
INCR ROW_ID
TCF U_ROLOOP