ldr lr, =PicoCpuS68k
ldr r2, =CycloneEnd_M68k
ldr r3, =CycloneEnd_S68k
- str r2, [r7,#0x54]
- str r3, [lr,#0x54]
+ str r2, [r7,#0x98]
+ str r3, [lr,#0x98]
@ update aims
ldr r8, =SekCycleAim
ldr r7, =PicoCpu
ldr lr, =PicoCpuS68k
mov r0, #0
- str r0, [r7,#0x54] @ remove CycloneEnd handler
- str r0, [lr,#0x54]
+ str r0, [r7,#0x98] @ remove CycloneEnd handler
+ str r0, [lr,#0x98]
@ return
add sp, sp, #2*4
ldmfd sp!, {r4-r11,pc}
-
CycloneRunLocal:
;@ r0-3 = Temporary registers
ldr r4,[r7,#0x40] ;@ r4 = Current PC + Memory Base
cmp r0,#6 ;@ irq>6 ?
andle r1,r1,#7 ;@ Get interrupt mask
cmple r0,r1 ;@ irq<=6: Is irq<=mask ?
- ldrgt lr,[r7,#0x54] @ Interrupt will definitely use more cycles than our step,
- bgt CycloneDoInterrupt @ so make this function return directly to CycloneEnd_*
+ bgt CycloneDoInterrupt
NoIntsLocal:
- ;@ Check if our processor is in stopped state and jump to opcode handler if not
- ldr r0,[r7,#0x58]
+;@ Check if our processor is in special state
+;@ and jump to opcode handler if not
+ ldr r0,[r7,#0x58] ;@ state_flags
ldrh r8,[r4],#2 ;@ Fetch first opcode
- tst r0,r0 ;@ stopped?
+ tst r0,#0x03 ;@ special state?
andeq r9,r9,#0xf0000000
ldreq pc,[r6,r8,asl #2] ;@ Jump to opcode handler
- @ stopped
+CycloneSpecial2:
+ tst r0,#2 ;@ tracing?
+ bne CycloneDoTrace
+;@ stopped or halted
sub r4,r4,#2
- ldr r1,[r7,#0x54]
+ ldr r1,[r7,#0x98]
mov r5,#0
bx r1