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mcd, preparations for msu support (arm version)

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kub 2023-05-26 20:45:13 +00:00
parent 02ff025479
commit f27a1749fe
2 changed files with 25 additions and 25 deletions
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27
pico/cd/memory_arm.S
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@ -195,6 +195,8 @@ m_m68k_read8_r06:
ldrb r0, [r1, #0x73] @ IRQ vector
bx lr
m_m68k_read8_r07:
PIC_LDR(r1, r2, Pico)
ldr r1, [r1, #OFS_Pico_rom]
ldrb r0, [r1, #0x72]
bx lr
m_m68k_read8_r08:
@ -206,17 +208,13 @@ m_m68k_read8_r09:
mov r0, #0
b cdc_host_r
m_m68k_read8_r0c:
add r1, r1, #0x110000
add r1, r1, #0x002200
ldr r0, [r1, #0x14] @ Pico_mcd->m.timer_stopwatch
mov r0, r0, lsr #24
mov r1, #0
bl pcd_stopwatch_read
mov r0, r0, lsr #8
bx lr
m_m68k_read8_r0d:
add r1, r1, #0x110000
add r1, r1, #0x002200
ldr r0, [r1, #0x14]
mov r0, r0, lsr #16
bx lr
mov r1, #0
b pcd_stopwatch_read
m_m68k_read8_hi:
cmp r0, #0x30
add r1, r1, #0x110000
@ -258,7 +256,7 @@ PicoRead16_mcd_io:
m_m68k_read16_m68k_regs:
PIC_LDR(r1, r2, Pico_mcd)
and r0, r0, #0x3e
ldr r1, [r1, @ Pico.mcd
ldr r1, [r1] @ Pico.mcd
cmp r0, #0x0e
PIC_XB(lt ,r0, lsl #1)
b m_m68k_read16_hi
@ -293,17 +291,16 @@ m_m68k_read16_r04:
mov r0, r0, lsl #8
bx lr
m_m68k_read16_r06:
PIC_LDR(r1, r2, Pico)
ldr r1, [r1, #OFS_Pico_rom]
ldrh r0, [r1, #0x72] @ IRQ vector
bx lr
m_m68k_read16_r08:
mov r0, #0
b cdc_host_r
m_m68k_read16_r0c:
add r1, r1, #0x110000
add r1, r1, #0x002200
ldr r0, [r1, #0x14]
mov r0, r0, lsr #16
bx lr
mov r1, #0
b pcd_stopwatch_read
m_m68k_read16_hi:
cmp r0, #0x30
add r1, r1, #0x110000