Lunar Jetman: Routine at 32977

32977: Game Selection Menu

Used by the routine at Game_Restart.

Draws the seven menu lines and the copyright message.

GameMenu

32977

LD DE,33038

Set the attribute table pointer to GameSelection_Attributes.

32980

EXX

Switch to the shadow registers.

32981

LD HL,33045

Set the Y position table pointer to GameSelection_Position.

32984

LD DE,33052

Set the message pointer to String_GameSelection.

There are seven lines of text.

32987

LD B,7

Set a line counter in B' for 7 loops.

GameMenu_Loop

32989

EXX

Switch back to the normal registers.

32990

LD A,(DE)

Copy the line attribute to Current_MenuAttribute.

32991

LD (24166),A

32994

INC DE

Move the attribute table pointer on by one.

Fetch the line Y position and print the line.

32995

EXX

Switch to the shadow registers.

32996

PUSH BC

Stash the line counter on the stack.

32997

LD A,(HL)

Fetch the line Y position.

32998

INC HL

Move the Y position table pointer on by one.

32999

PUSH HL

Stash the Y position table pointer on the stack.

33000

LD H,A

Set the print co-ordinate from the Y position and X position 56.

33001

LD L,56

33003

CALL MenuWriteText

Call MenuWriteText.

Move on to the next line of text until all seven are printed.

33006

EXX

Switch to the shadow registers.

33007

POP HL

Restore the Y position table pointer and line counter from the stack.

33008

POP BC

33009

INC DE

Move the message pointer on to the next string.

33010

DJNZ GameMenu_Loop

Decrease the line counter by one and loop back to GameMenu_Loop until every line is printed.

Print the copyright line.

33012

LD HL,47104

Set the screen position to 47104.

33015

LD DE,33162

Set the message pointer to String_Copyright.

33018

JP PrintStringColour

Jump to PrintStringColour.

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