PicoVideoRead optimization

[picodrive.git] / Pico / cd / Memory.s

diff --git a/Pico/cd/Memory.s b/Pico/cd/Memory.s
index 3b49cac..9aba56d 100644 (file)
--- a/Pico/cd/Memory.s
+++ b/Pico/cd/Memory.s
@@ -126,9 +126,9 @@ m_s68k_decode_write_table:
 .extern z80Read8
 .extern OtherRead16
 .extern PicoVideoRead
+.extern PicoVideoRead8
 .extern Read_CDC_Host
 .extern m68k_reg_write8
-.extern OtherWrite8
 .extern OtherWrite16
 .extern gfx_cd_read
 .extern s68k_reg_read16
@@ -381,7 +381,7 @@ PicoWriteS68k32: @ u32 a, u32 d
     add     r2, r2, #0x110000
     add     r2, r2, #0x002200
 .if \is_read
-    ldrb    r0, [r2, #0x18]
+    ldrb    r0, [r2, #0x18]      @ Pico_mcd->m.bcram_reg
 .else
     strb    r1, [r2, #0x18]
 .endif
@@ -612,13 +612,7 @@ m_m68k_read8_vdp:
     tst     r0, #0x70000
     tsteq   r0, #0x000e0
     bxne    lr              @ invalid read
-    stmfd   sp!,{r0,lr}
-    bic     r0, r0, #1
-    bl      PicoVideoRead               @ TODO: implement it in asm
-    ldmfd   sp!,{r1,lr}
-    tst     r1, #1
-    moveq   r0, r0, lsr #8
-    bx      lr
+    b       PicoVideoRead8
 
 
 m_m68k_read8_ram: