Routines
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EF7E: Set up graphics for the start room
Used by the routine at CD41.
Input
HL Pointer to start room data (F14B)
EF7E LD ($F041),HL Store the pointer to start room data.
EF81 LD A,(HL) Get the address from this and put it in HL.
EF82 INC HL
EF83 LD H,(HL)
EF84 LD L,A
EF85 LD ($F043),HL Store this.
EF88 LD HL,($F041) Get the data pointer.
EF8B INC HL Go to the next address, which has the UDGs.
EF8C INC HL
EF8D LD ($F041),HL Store this.
EF90 LD D,$02 Start at row 2 column 2.
EF92 LD E,$02
EF94 LD ($F045),DE Set this as the current position.
EF98 LD B,$14 14 rows
EF9A PUSH BC Store this.
EF9B LD B,$1C 1C columns
EF9D LD DE,($F045) Get the next position.
EFA1 PUSH BC Remember BC
EFA2 LD HL,($F041) Get the next data.
EFA5 LD A,(HL) Get the byte.
EFA6 INC HL Move to the next address and store it.
EFA7 LD ($F041),HL
EFAA CALL $EFBD Print the graphic
EFAD POP BC Loop until all the columns for this row are done.
EFAE DJNZ $EFA1
EFB0 POP BC Restore BC
EFB1 LD DE,($F045) Move to the next row.
EFB5 INC D
EFB6 LD ($F045),DE
EFBA DJNZ $EF9A Loop until all the rows are done.
EFBC RET
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