27 lines
358 B
ArmAsm
27 lines
358 B
ArmAsm
.include "global.s"
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.globl .set_xy_btt
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;; BANKED: checked
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.area _BASE
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_set_bkg_tiles::
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PUSH BC
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LDA HL,4(SP) ; Skip return address and registers
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LD D,(HL) ; D = x
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INC HL
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LD E,(HL) ; E = y
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LDA HL,9(SP)
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LD B,(HL) ; BC = tiles
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DEC HL
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LD C,(HL)
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DEC HL
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LD A,(HL-) ; A = h
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LD H,(HL) ; H = w
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LD L,A ; L = h
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CALL .set_xy_btt
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POP BC
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RET
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