RaySollium99/picodrive
1
0
Fork 0
mirror of https://github.com/RaySollium99/picodrive.git synced 2025-09-05 15:27:46 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

svp compiler: hle done?

Browse source 
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@388 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz 2008-03-18 21:47:01 +00:00
parent ee9ee9fdfd
commit 34e243f167
2 changed files with 85 additions and 39 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Pico/carthw/svp/compiler.c
View file

@ -115,7 +115,7 @@ void ssp_pm_write(u32 d, int reg)
if (mode & 0x0400) {
overwrite_write(dram[addr], d);
} else dram[addr] = d;
ssp->pmac_write[reg] += (addr&1) ? 31 : 1;
ssp->pmac_write[reg] += (addr&1) ? 0x1f : 1;
}
else if ((mode & 0x47ff) == 0x001c) // IRAM
{
@ -1710,8 +1710,8 @@ int ssp1601_dyn_startup(void)
// hle'd blocks
block_table[0x800/2] = (void *) ssp_hle_800;
block_table[0x902/2] = (void *) ssp_hle_902;
// block_table_iram[ 7][0x030/2] = (void *) ssp_hle_07_030;
// block_table_iram[ 7][0x036/2] = (void *) ssp_hle_07_036;
block_table_iram[ 7][0x030/2] = (void *) ssp_hle_07_030;
block_table_iram[ 7][0x036/2] = (void *) ssp_hle_07_036;
block_table_iram[ 7][0x6d6/2] = (void *) ssp_hle_07_6d6;
block_table_iram[11][0x12c/2] = (void *) ssp_hle_11_12c;
block_table_iram[11][0x384/2] = (void *) ssp_hle_11_384;

118
Pico/carthw/svp/stub_arm.S
View file

@ -479,22 +479,24 @@ ssp_hle_07_030:
sub r11,r11,#3
ssp_hle_07_036:
ldr r1, [r7, #0x1e0]
ldr r1, [r7, #0x1e0] @ F1h F0h
rsb r5, r1, r1, lsr #16
mov r5, r5, lsl #16 @ ?
mov r5, r5, lsl #16 @ AL not needed
cmp r5, #(4<<16)
sub r11,r11,#5
bmi hle_07_036_ending2
ldr r1, [r7, #0x1dc]
ldr r1, [r7, #0x1dc] @ EEh
cmp r5, r1, lsl #16
sub r11,r11,#5
bpl hle_07_036_ret
mov r0, r5, lsr #16 @ F5h
mov r0, r5, lsr #16
add r1, r7, #0x100
strh r0, [r1, #0xea]
ldr r0, [r7, #0x1e0]
strh r0, [r1, #0xea] @ F5h
ldr r0, [r7, #0x1e0] @ F0h
and r0, r0, #3
strh r0, [r1, #0xf0]
add r2, r0, #0xc0
strh r0, [r1, #0xf0] @ F8h
add r2, r0, #0xc0 @ r2
add r2, r7, r2, lsl #1
ldrh r2, [r2]
ldr r0, [r7]
@ -502,16 +504,19 @@ ssp_hle_07_036:
and r0, r0, r2
bl ssp_pm_write
@ will handle PMC later
ldr r0, [r7, #0x1e8]
ldr r1, [r7, #0x1f0]
ldr r0, [r7, #0x1e8] @ F5h << 16
ldr r1, [r7, #0x1f0] @ F8h
ldr r2, [r7, #0x1d4] @ EAh
sub r0, r0, #(3<<16)
add r0, r0, r1, lsl #16
ldr r1, [r7, #0x1d4]
sub r0, r1, r0, lsr #18
sub r0, r2, r0, asr #18
and r0, r0, #0x7f
rsbs r0, r0, #0x78 @ length
ble hle_07_036_ending1
sub r11,r11,r0
@ copy part
ldr r1, [r7, #(SSP_OFFS_GR+SSP_PMC*4)]
ldr r2, [r7, #SSP_OFFS_DRAM]
mov r1, r1, lsl #16
@ -521,57 +526,99 @@ ssp_hle_07_036:
mov r12, #0x4000
orr r12,r12,#0x0018
bic r5, r3, #0x0400
cmp r5, r12
bne tr_unhandled
subs r12,r3, r12
subnes r12,r12,#0x0400
blne tr_unhandled
orr r2, r2, r2, lsl #16
tst r3, #0x400
bne hle_07_036_ovrwr
hle_07_036_no_ovrwr:
tst r1, #2
strne r2, [r1], #0x62 @ align
strneh r2, [r1], #0x3e @ align
subne r0, r0, #1
cmp r0, #4
subs r0, r0, #4
blt hle_07_036_l2
hle_07_036_l1:
subs r0, r0, #4
str r2, [r1], #0x64
str r2, [r1], #0x64
bgt hle_07_036_l1
str r2, [r1], #0x40
str r2, [r1], #0x40
bge hle_07_036_l1
hle_07_036_l2:
tst r0, #2
strne r2, [r1], #0x64
strne r2, [r1], #0x40
tst r0, #1
strneh r2, [r1], #2
b hle_07_036_ending1
b hle_07_036_end_copy
hle_07_036_ovrwr:
@ TODO
tst r2, #0x000f
orreq r12,r12,#0x000f
tst r2, #0x00f0
orreq r12,r12,#0x00f0
tst r2, #0x0f00
orreq r12,r12,#0x0f00
tst r2, #0xf000
orreq r12,r12,#0xf000
orrs r12,r12,r12,lsl #16
beq hle_07_036_no_ovrwr
tst r1, #2
beq hle_07_036_ol0
ldrh r3, [r1]
and r3, r3, r12
orr r3, r3, r2
strh r3, [r1], #0x3e @ align
sub r0, r0, #1
hle_07_036_ol0:
subs r0, r0, #2
blt hle_07_036_ol2
hle_07_036_ol1:
subs r0, r0, #2
ldr r3, [r1]
and r3, r3, r12
orr r3, r3, r2
str r3, [r1], #0x40
bge hle_07_036_ol1
hle_07_036_ol2:
tst r0, #1
ldrneh r3, [r1]
andne r3, r3, r12
orrne r3, r3, r2
strneh r3, [r1], #2
hle_07_036_end_copy:
ldr r2, [r7, #SSP_OFFS_DRAM]
add r3, r7, #0x400
sub r0, r1, r2 @ new addr
mov r0, r0, lsr #1
strh r0, [r3, #(0x6c+4*4)] @ SSP_OFFS_PM_WRITE+4*4 (low)
hle_07_036_ending1:
ldr r0, [r7, #0x1e0]
ldr r0, [r7, #0x1e0] @ F1h << 16
add r0, r0, #(1<<16)
and r0, r0, #(3<<16)
add r0, r0, #(0xc4<<16)
bic r8, r8, #0xff0000
orr r8, r8, r0
add r0, r7, r0, lsl #1
orr r8, r8, r0 @ r2
add r0, r7, r0, lsr #15
ldrh r0, [r0]
ldr r2, [r7]
and r5, r0, r2
movs r5, r5, lsl #16
and r0, r0, r2
movs r5, r0, lsl #16
ldrh r3, [r7, #4] @ new mode
sub r0, r1, r7 @ new addr
mov r0, r0, lsr #1
orr r0, r0, r3, lsl #16
str r0, [r7, #(SSP_OFFS_PM_WRITE+4*4)]
mov r0, r5, lsr #16
ldr r1, [r7, #4] @ new mode
add r2, r7, #0x400
strh r1, [r2, #(0x6c+4*4+2)] @ SSP_OFFS_PM_WRITE+4*4 (high)
mov r1, #4
bl ssp_pm_write
sub r11,r11,#35
hle_07_036_ret:
hle_popstack
@ -581,7 +628,6 @@ hle_07_036_ending2:
sub r11,r11,#3
movs r5, r5, lsl #1
bmi hle_07_036_ret
mov r0, #0x100
orr r0, r0, #0x00e
mov r0, #0x87
b ssp_drc_next @ let the dispatcher finish this