Routines
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693B: Level Complete Sound Step
Used by the routine at Handle_Level_Complete.
Input
B Sound step counter
HL Current pitch
DE Pitch adjustment per step
LevelCompleteSoundStep 693B PUSH BC Stash the step counter, pitch and pitch adjustment on the stack.
693C PUSH HL
693D PUSH DE
693E LD A,$19 Call AddToScore to add 19 points to the score.
6940 CALL AddToScore
Pick a random border colour using the Memory Refresh Register.
6943 LD A,R L=the contents of the Memory Refresh Register.
6945 LD L,A
6946 LD H,$00 Set the low byte in H to 00 so only low memory is accessed.
6948 LD A,(HL) A=*HL.
6949 LD ($5FB4),A Write A to *ChickAnimationStates.
694C AND %00111000 Keep only bits 3-5.
694E LD ($5C48),A Write A to *BORDCR.
Play a beep at the current pitch.
6951 POP DE Restore pitch adjustment and pitch from the stack.
6952 POP HL
6953 PUSH HL Stash the pitch and pitch adjustment on the stack.
6954 PUSH DE
6955 CALL $03B5 Call BEEP.
6958 POP DE Restore the pitch adjustment and pitch from the stack.
6959 POP HL
Lower the pitch for the next step by subtracting the pitch adjustment.
695A LD BC,$000F BC=000F.
695D SBC HL,DE HL-=DE (with carry).
695F POP BC Restore the step counter from the stack.
6960 RET Return.
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