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memhandlers slightly improved

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git-svn-id: file:///home/notaz/opt/svn/PicoDrive@234 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2007-09-01 21:34:13 +00:00
parent a5ccbfbaf0
commit e5503e2f4f
7 changed files with 369 additions and 159 deletions
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11
Pico/cd/Memory.s
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@ -139,6 +139,8 @@ m_s68k_decode_write_table:
.extern PicoCpuS68k
.extern s68k_poll_detect
.extern SN76496Write
.extern m_m68k_read8_misc
.extern m_m68k_write8_misc
@ r0=reg3, r1-r3=temp
@ -502,7 +504,7 @@ m_m68k_read8_system_io:
bic r2, r0, #0xfe0000
bic r2, r2, #0x3f
cmp r2, #0x012000
bne m_m68k_read8_misc
bne m_m68k_read8_misc @ now from Pico/Memory.s
ldr r1, =(Pico+0x22200)
and r0, r0, #0x3f
@ -588,7 +590,7 @@ m_m68k_read8_hi:
ldrb r0, [r1, r0]
bx lr
/*
m_m68k_read8_misc:
bic r2, r0, #0x00ff
bic r2, r2, #0xbf00
@ -604,7 +606,7 @@ m_m68k_read8_misc:
tst r1, #1
moveq r0, r0, lsr #8
bx lr
*/
m_m68k_read8_vdp:
tst r0, #0x70000
@ -1116,7 +1118,8 @@ m_m68k_write8_system_io:
cmp r2, #0x012000
beq m68k_reg_write8
mov r2, #8
b OtherWrite8
@ b OtherWrite8
b m_m68k_write8_misc
m_m68k_write8_vdp: