ASSEMBLER.
; DIMIKSOFT PRESENTS:
; INDICATOR FOR AY-8910 (8912) - Color
; Squares ... (In the upper third of the screen).
; Procedure is taken from a musical demonstration; function
"EXODUS".
ORG 50000
LD BC, # FFFD
LD A, # 08
OUT (C), A
IN A, (C)
SRL A
AND # 07
SLA A
SLA A
SLA A
LD (# 581E), A
LD (# 5869), A
LD (# 5907), A
LD (# 589D), A
LD (# 58A6), A
LD A, # 09
OUT (C), A
IN A, (C)
SRL A
AND # 07
SLA A
SLA A
SLA A
LD (# 5823), A
LD (# 5832), A
LD (# 58E3), A
LD (# 58BA), A
LD (# 58C9), A
LD A, # 0A
OUT (C), A
IN A, (C)
SRL A
AND # 07
SLA A
SLA A
SLA A
LD (# 582C), A
LD (# 5839), A
LD (# 5875), A
LD (# 5882), A
LD (# 58FC), A
RET
Source provided in this section, the procedure indicator can
be found after newspaper. (For assembler ZX-ASM v3).