Routines
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F5C4: Set Print Position
Used by the routines at JumpTable_SetPrintPosition, Draw_Box, Draw_StatusIcons, Draw_StatusIcons_Branch, Print_Message, Print_Sprite, Draw_Entity and Fill_Tiles.
Sets the print position from BC.
Set_PrintPosition F5C4 LD ($5C88),BC Write BC to *S_POSN.
F5C8 EXX Switch to the shadow registers.
F5C9 LD BC,($5C88) Fetch the stored position and clear A, D and B.
F5CD LD E,B
F5CE XOR A
F5CF LD D,A
F5D0 LD B,A
F5D1 LD HL,$FF02 Look up the line address from the table at FF02.
F5D4 SLA E
F5D6 ADD HL,DE
F5D7 LD E,(HL) Subtract the column and write *DF_CC.
F5D8 INC HL
F5D9 LD D,(HL)
F5DA EX DE,HL
F5DB SBC HL,BC
F5DD LD ($5C84),HL
F5E0 LD A,H Rotate the high byte into an attribute offset.
F5E1 RRCA
F5E2 RRCA
F5E3 RRCA
F5E4 AND %00000011 Keep only bits 0-1.
F5E6 LD H,A Write the offset to *Print_BufferOffset.
F5E7 LD ($6412),HL
F5EA EXX Switch back.
F5EB RET Return.
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