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bugfixes, cd/Memory.s

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@70 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-03-19 18:55:28 +00:00
parent 66fdc0f0d5
commit 4ff2d52753
14 changed files with 2043 additions and 124 deletions
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29
Pico/Memory.s
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@ -1,3 +1,5 @@
@ vim:filetype=armasm
@ memory handlers with banking support for SSF II - The New Challengers
@ mostly based on Gens code
@ -485,18 +487,20 @@ m_read16_romF: @ 0x780000 - 0x7fffff
m_read16_rom 0xF
m_read16_misc:
mov r1, #16
ldr r2, =OtherRead16
bic r0, r0, #1
bx r2
mov r1, #16
b OtherRead16
@ ldr r2, =OtherRead16
@ bx r2
m_read16_vdp:
tst r0, #0x70000
tsteq r0, #0x000e0
bxne lr @ invalid read
ldr r1, =PicoVideoRead
bic r0, r0, #1
bx r1
b PicoVideoRead
@ ldr r1, =PicoVideoRead
@ bx r1
m_read16_ram:
ldr r1, =Pico
@ -506,10 +510,11 @@ m_read16_ram:
bx lr
m_read16_above_rom:
mov r1, #16
ldr r2, =OtherRead16End
bic r0, r0, #1
bx r2
mov r1, #16
b OtherRead16End
@ ldr r2, =OtherRead16End
@ bx r2
.pool
@ -633,12 +638,10 @@ m_read32_vdp:
tsteq r0, #0x000e0
bxne lr @ invalid read
bic r0, r0, #1
stmfd sp!,{r0,lr}
add r1, r0, #2
stmfd sp!,{r1,lr}
bl PicoVideoRead
mov r1, r0
ldmfd sp!,{r0}
stmfd sp!,{r1}
add r0, r0, #2
swp r0, r0, [sp]
bl PicoVideoRead
ldmfd sp!,{r1,lr}
orr r0, r0, r1, lsl #16