X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=Pico%2Fcd%2FPico.s;h=87e855482c706023db67d1d8af20ef635b8a1b0d;hb=3aa1e148a28da9b4e10e824984f7b3a4908b1ace;hp=b1f554c5d7f04696ae08c2a75b9db007f928ac01;hpb=9112b6ce9fd42ee46adb7e8148e587a7f60e35f4;p=picodrive.git diff --git a/Pico/cd/Pico.s b/Pico/cd/Pico.s index b1f554c..87e8554 100644 --- a/Pico/cd/Pico.s +++ b/Pico/cd/Pico.s @@ -1,6 +1,6 @@ @ vim:filetype=armasm -@ SekRunPS runs PicoCpu and PicoCpuS68k interleaved in steps of PS_STEP_M68K +@ SekRunPS runs PicoCpuCM68k and PicoCpuCS68k interleaved in steps of PS_STEP_M68K @ cycles. This is done without calling CycloneRun and jumping directly to @ Cyclone code to avoid pushing/popping all the registers every time. @@ -13,8 +13,8 @@ @ .extern is ignored by gas, we add these here just to see what we depend on. .extern CycloneJumpTab .extern CycloneDoInterrupt -.extern PicoCpu -.extern PicoCpuS68k +.extern PicoCpuCM68k +.extern PicoCpuCS68k .extern SekCycleAim .extern SekCycleCnt .extern SekCycleAimS68k @@ -32,8 +32,8 @@ SekRunPS: sub sp, sp, #2*4 @ sp[0] = main_cycle_cnt, sp[4] = run_cycle_cnt @ override CycloneEnd for both contexts - ldr r7, =PicoCpu - ldr lr, =PicoCpuS68k + ldr r7, =PicoCpuCM68k + ldr lr, =PicoCpuCS68k ldr r2, =CycloneEnd_M68k ldr r3, =CycloneEnd_S68k str r2, [r7,#0x98] @@ -90,7 +90,7 @@ schedule_s68k: subs r5, r0, r3, asr #16 ble schedule_m68k @ s68k has not enough cycles - ldr r7, =PicoCpuS68k + ldr r7, =PicoCpuCS68k str r5, [sp,#4] @ run_cycle_cnt b CycloneRunLocal @@ -122,15 +122,15 @@ schedule_m68k: subs r5, r0, r3, asr #16 ble schedule_s68k @ m68k has not enough cycles - ldr r7, =PicoCpu + ldr r7, =PicoCpuCM68k str r5, [sp,#4] @ run_cycle_cnt b CycloneRunLocal SekRunPS_end: - ldr r7, =PicoCpu - ldr lr, =PicoCpuS68k + ldr r7, =PicoCpuCM68k + ldr lr, =PicoCpuCS68k mov r0, #0 str r0, [r7,#0x98] @ remove CycloneEnd handler str r0, [lr,#0x98]