Routines
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AFE4: One object done
Every handler returns here. It stirs the refresh register into the random byte at $5BA5 -- so the sequence depends on how much work the frame did -- then advances IX by 32 and goes round again until it reaches the font, when the frame is finished.
ret_from_tbl_jp AFE4 LD A,R R changes with every instruction fetched
AFE6 LD C,A
AFE7 LD A,($5BA5)
AFEA ADD A,C
AFEB LD ($5BA5),A
AFEE LD BC,$0020 32 bytes per object record
AFF1 ADD IX,BC
AFF3 PUSH IX HL = IX
AFF5 POP HL
AFF6 LD BC,font the end of the object table is the start of the font
AFF9 AND A
AFFA SBC HL,BC
AFFC JR NC,end_of_frame
AFFE JR update_sprite_loop not there yet
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