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-rw-r--r--utils.gbasm32
1 files changed, 32 insertions, 0 deletions
diff --git a/utils.gbasm b/utils.gbasm
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--- /dev/null
+++ b/utils.gbasm
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+memcpy: ; src = DE, dest = HL, n = BC
+ Load_Tile.loop0:
+ LD A, (DE)
+ LD (HL+), A
+ INC DE
+ DEC BC
+ XOR A
+ CP B
+ JR NZ =Load_Tile.loop0
+ CP C
+ JR NZ =Load_Tile.loop0
+ RET
+
+Print_8bit: ; Number in A, Memory Tilemap position in HL
+ PUSH AF
+ PUSH BC
+
+ LD C, A
+ SWAP A ; We start by the highest nibble
+ AND $0f
+ OR $10
+ LD (HL+), A
+
+ LD A, C
+ AND $0f ; Then the lowest
+ OR $10
+ LD (HL+), A
+
+ POP BC
+ POP AF
+ RET
+