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Load_Map:
LD DE, $9800
Load_Map.loop:
LD C, E
LD A, D
AND 0x03
LD B, A
PUSH BC
SRA B
RR C
SRA B
RR C
SRA C
SRA C
SRA C
SRA C
LD A, C
POP BC
LD B, A
LD A, C
SRA A
AND $0f
CALL =Is_Solid
CP $00
JR Z, =Load_Map.loop.next
LD A, E
AND $20
SRL A
SRL A
SRL A
SRL A
LD C, A
LD A, E
AND $01
OR C
OR $20
LD (DE), A
Load_Map.loop.next:
INC DE
LD A, $9c
CP D
JR NZ =Load_Map.loop
LD DE, $9853
LD A, $24
LD (DE), A
LD DE, $9854
LD A, $25
LD (DE), A
LD DE, $9873
LD A, $26
LD (DE), A
LD DE, $9874
LD A, $27
LD (DE), A
RET
Is_Solid: ; X in A, Y in B, Result A
PUSH BC
PUSH DE
CP $10
JR NC, =Is_Solid.Not_Empty
CP $02
JR C, =Is_Solid.Not_Empty
LD A, B
CP $10
JR NC, =Is_Solid.Not_Empty
CP $02
JR C, =Is_Solid.Not_Empty
Is_Solid.Empty:
LD A, $00
JP =Is_Solid.End
Is_Solid.Not_Empty:
LD A, $01
Is_Solid.End:
POP DE
POP BC
RET
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