Routines
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48831: Display Text List
Used by the routines at GameOver and GameCompleted.
Prints a list of lines of text in the screen buffer, each in its own colour. DE' points at the attributes, HL at pairs of pixel x and y positions, and DE at the text. After the lines have been printed the border is drawn and the buffer is copied to the screen, unless BorderDrawnFlag is already set.
Input
B Number of lines
DE Address of the text
HL Address of the list of positions
DE' Address of the list of attributes
Print one line from the three lists.
DisplayTextList 48831 EXX Switch to the shadow registers.
48832 LD A,(DE) Fetch the attribute of the line.
48833 LD (23478),A Set TextAttribute.
48836 INC DE Move on to the next attribute.
48837 EXX Switch back to the main registers.
48838 PUSH BC Stash the number of lines on the stack.
48839 LD A,(HL) Fetch the x position.
48840 INC HL Move on to the next pair of positions.
48841 INC HL
48842 PUSH HL Stash the address of the next pair on the stack.
48843 DEC HL Point HL at the y position.
48844 LD H,(HL) Fetch the y position.
48845 LD L,A Set the x position.
48846 CALL PrintTextSingleColour Call PrintTextSingleColour.
48849 POP HL Restore the address of the next pair from the stack.
48850 POP BC Restore the number of lines from the stack.
48851 DJNZ DisplayTextList Jump to DisplayTextList until all of the lines have been printed.
Draw the border the first time.
48853 LD A,(23480) Return if BorderDrawnFlag is set.
48856 AND A
48857 RET NZ
48858 INC A Write 1 to *BorderDrawnFlag.
48859 LD (23480),A
48862 CALL PrintBorder Call PrintBorder.
48865 JP UpdateScreen Jump to UpdateScreen.
View the equivalent code in;
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