.Page ;++ ; ; WaitRom ; ; WaitRom switches off both motors and then waits until the 68000 diagnostics ; sets location 000 (68K = 000C00) first to #069 and then to #096. The 6504 ; will then do a cold start of the system ; ;-- ; ; REGISTERS ; IN ; A = Any value ; X = Any value ; Y = Any value ; OUT ; Returns via a cold start ; ;++ WaitRom .Equ * ; Entry point for WaitRom Jsr PrkClr0 ; Park heads, turn motors off & clear GoByte ; Loop until 69/96 sequence occurrs WaitRom1 Lda 000 ; Wait for #069 Cmp #069 Bne WaitRom1 WaitRom2 Cmp 000 ; Wait for #096 Beq WaitRom2 Sec Adc 000 ; Will be 0 if = 96 Bne Wait Rom1 Jmp DnWhWt ; Reset the world w/o memory wait