Routines
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48230: Print Text Single Colour
Used by the routines at PrintScoreLabel and DisplayMenu.
Prints a line of text in the colour held in TextAttribute, using the ASCII font at Font. The last character of the text has bit 7 set. Each character cell has its attribute set as well.
Input
DE Address of the text
H Pixel y position
L Pixel x position
Output
DE Address after the text
Point at the ASCII font and keep TextAttribute.
PrintTextSingleColour 48230 PUSH HL Stash the pixel position on the stack.
48231 LD HL,33237 Point HL at 33237.
48234 LD (42802),HL Set FontPointer.
48237 POP BC Copy the pixel position to BC (using the stack).
48238 PUSH BC
48239 CALL CalculateBufferAddress Call CalculateBufferAddress.
48242 LD L,C Copy it to HL.
48243 LD H,B
48244 LD A,(42806) Fetch TextAttribute.
48247 EX AF,AF' Keep the colour in AF'.
48248 JR PrintText Jump to PrintText.
View the equivalent code in;
Before After PrintTextSingleColour and UpdateScreen
print-text-before print-text-after
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