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famec: improve trace a bit
[picodrive.git]
/
pico
/
cd
/
memory_arm.s
diff --git
a/pico/cd/memory_arm.s
b/pico/cd/memory_arm.s
index
3e6f9db
..
f3a1372
100644
(file)
--- a/
pico/cd/memory_arm.s
+++ b/
pico/cd/memory_arm.s
@@
-49,13
+49,14
@@
@ externs, just for reference
.extern Pico
@ externs, just for reference
.extern Pico
-.extern
Read_CDC_Host
+.extern
cdc_host_r
.extern m68k_reg_write8
.extern s68k_reg_read16
.extern s68k_reg_write8
.extern m68k_reg_write8
.extern s68k_reg_read16
.extern s68k_reg_write8
+.extern s68k_reg_write16
.extern s68k_poll_detect
.extern s68k_poll_detect
-.extern
gfx_cd_read
-.extern
gfx_cd_write16
+.extern
pcd_pcm_write
+.extern
pcd_pcm_read
.extern PicoCpuCS68k
.extern PicoRead8_io
.extern PicoRead16_io
.extern PicoCpuCS68k
.extern PicoRead8_io
.extern PicoRead16_io
@@
-194,12
+195,12
@@
m_m68k_read8_r07:
bx lr
m_m68k_read8_r08:
mov r0, #0
bx lr
m_m68k_read8_r08:
mov r0, #0
- bl
Read_CDC_Host @ TODO: make it local
+ bl
cdc_host_r
mov r0, r0, lsr #8
bx lr
m_m68k_read8_r09:
mov r0, #0
mov r0, r0, lsr #8
bx lr
m_m68k_read8_r09:
mov r0, #0
- b
Read_CDC_Host
+ b
cdc_host_r
m_m68k_read8_r0c:
add r1, r1, #0x110000
add r1, r1, #0x002200
m_m68k_read8_r0c:
add r1, r1, #0x110000
add r1, r1, #0x002200
@@
-291,7
+292,7
@@
m_m68k_read16_r06:
bx lr
m_m68k_read16_r08:
mov r0, #0
bx lr
m_m68k_read16_r08:
mov r0, #0
- b
Read_CDC_Host
+ b
cdc_host_r
m_m68k_read16_r0c:
add r1, r1, #0x110000
add r1, r1, #0x002200
m_m68k_read16_r0c:
add r1, r1, #0x110000
add r1, r1, #0x002200
@@
-418,14
+419,9
@@
m_s68k_read8_regs:
sub r2, r0, #0x0e
cmp r2, #(0x30-0x0e)
blo m_s68k_read8_comm
sub r2, r0, #0x0e
cmp r2, #(0x30-0x0e)
blo m_s68k_read8_comm
- sub r2, r0, #0x58
- cmp r2, #0x10
- ldrlo r2, =gfx_cd_read
- ldrhs r2, =s68k_reg_read16
stmfd sp!,{r0,lr}
bic r0, r0, #1
stmfd sp!,{r0,lr}
bic r0, r0, #1
- mov lr, pc
- bx r2
+ bl s68k_reg_read16
ldmfd sp!,{r1,lr}
tst r1, #1
moveq r0, r0, lsr #8
ldmfd sp!,{r1,lr}
tst r1, #1
moveq r0, r0, lsr #8
@@
-437,6
+433,7
@@
m_s68k_read8_comm:
ldr r1, [r1]
add r1, r1, #0x110000
ldrb r1, [r1, r0]
ldr r1, [r1]
add r1, r1, #0x110000
ldrb r1, [r1, r0]
+ bic r0, r0, #1
b s68k_poll_detect
b s68k_poll_detect
@@
-447,23
+444,15
@@
m_s68k_read8_pcm:
@ must not trash r3 and r12
ldr r1, =(Pico+0x22200)
bic r0, r0, #0xff0000
@ must not trash r3 and r12
ldr r1, =(Pico+0x22200)
bic r0, r0, #0xff0000
-@ bic r0, r0, #0x008000
ldr r1, [r1]
mov r2, #0x110000
orr r2, r2, #0x002200
cmp r0, #0x2000
bge m_s68k_read8_pcm_ram
cmp r0, #0x20
ldr r1, [r1]
mov r2, #0x110000
orr r2, r2, #0x002200
cmp r0, #0x2000
bge m_s68k_read8_pcm_ram
cmp r0, #0x20
- movlt r0, #0
- bxlt lr
- orr r2, r2, #(0x48+8) @ pcm.ch + addr_offset
- add r1, r1, r2
- and r2, r0, #0x1c
- ldr r1, [r1, r2, lsl #2]
- tst r0, #2
- moveq r0, r1, lsr #PCM_STEP_SHIFT
- movne r0, r1, lsr #(PCM_STEP_SHIFT+8)
- and r0, r0, #0xff
+ movge r0, r0, lsr #1
+ bge pcd_pcm_read
+ mov r0, #0
bx lr
m_s68k_read8_pcm_ram:
bx lr
m_s68k_read8_pcm_ram:
@@
-509,13
+498,10
@@
m_s68k_read16_regs:
bic r0, r0, #0xff0000
bic r0, r0, #0x008000
bic r0, r0, #0x000001
bic r0, r0, #0xff0000
bic r0, r0, #0x008000
bic r0, r0, #0x000001
- sub r2, r0, #0x58
- cmp r2, #0x10
- blo gfx_cd_read
cmp r0, #8
bne s68k_reg_read16
mov r0, #1
cmp r0, #8
bne s68k_reg_read16
mov r0, #1
- b
Read_CDC_Host
+ b
cdc_host_r
@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@@
-586,12
+572,12
@@
m_s68k_write8_regs:
tst r0, #0x7e00
movne r0, #0
bxne lr
tst r0, #0x7e00
movne r0, #0
bxne lr
- sub r2, r0, #0x5
8
- cmp r2, #0x
10
+ sub r2, r0, #0x5
9
+ cmp r2, #0x
0f
bhs s68k_reg_write8
bic r0, r0, #1
orr r1, r1, r1, lsl #8
bhs s68k_reg_write8
bic r0, r0, #1
orr r1, r1, r1, lsl #8
- b
gfx_cd
_write16
+ b
s68k_reg
_write16
m_s68k_write8_pcm:
m_s68k_write8_pcm:
@@
-600,7
+586,7
@@
m_s68k_write8_pcm:
bic r0, r0, #0xff0000
cmp r0, #0x12
movlt r0, r0, lsr #1
bic r0, r0, #0xff0000
cmp r0, #0x12
movlt r0, r0, lsr #1
- blt pcm_write
+ blt pc
d_pc
m_write
cmp r0, #0x2000
bxlt lr
cmp r0, #0x2000
bxlt lr
@@
-703,17
+689,7
@@
m_s68k_write16_regs:
movne r0, #0
bxne lr
cmp r0, #0x0e
movne r0, #0
bxne lr
cmp r0, #0x0e
- beq m_s68k_write16_regs_spec
- sub r2, r0, #0x58
- cmp r2, #0x10
- blo gfx_cd_write16
- and r3, r1, #0xff
- add r2, r0, #1
- stmfd sp!,{r2,r3,lr}
- mov r1, r1, lsr #8
- bl s68k_reg_write8
- ldmfd sp!,{r0,r1,lr}
- b s68k_reg_write8
+ bne s68k_reg_write16
m_s68k_write16_regs_spec: @ special case
ldr r2, =(Pico+0x22200)
m_s68k_write16_regs_spec: @ special case
ldr r2, =(Pico+0x22200)