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32X: memory access and polling bug fixes

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This commit is contained in:
kub 2019-06-25 20:15:48 +02:00
parent ee46642395
commit 1891e649e5
3 changed files with 33 additions and 23 deletions
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14
pico/32x/memory_arm.S
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@ -18,7 +18,7 @@
.text
@ u32 a
@ u32 a, SH2 *sh2
.global sh2_read8_rom
.global sh2_read8_sdram
.global sh2_read8_da
@ -32,7 +32,7 @@
.global sh2_read32_da
.global sh2_read32_dram
@ u32 a, u32 d
@ u32 a, u32 d, SH2 *sh2
.global sh2_write8_sdram
.global sh2_write8_da
.global sh2_write8_dram
@ -270,16 +270,14 @@ sh2_write32_dram:
streq r1, [ip, r3, lsr #SH2_DRAM_SHIFT]
bxeq lr
ldr r0, [ip, r3, lsr #SH2_DRAM_SHIFT]
mov r2, #0
tst r1, #0x00ff0000
orrne r2, r2, #0x00ff0000
bicne r0, r0, #0x00ff0000
tst r1, #0xff000000
orrne r2, r2, #0xff000000
bicne r0, r0, #0xff000000
tst r1, #0x000000ff
orrne r2, r2, #0x000000ff
bicne r0, r0, #0x000000ff
tst r1, #0x0000ff00
orrne r2, r2, #0x0000ff00
bic r0, r0, r2
bicne r0, r0, #0x0000ff00
orr r0, r0, r1
str r0, [ip, r3, lsr #SH2_DRAM_SHIFT]
bx lr