RaySollium99/picodrive
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rearrange globals

Browse source 
scripted find/replace
gives slightly better code on ARM, less unnecessary asm,
~400 bytes saved
This commit is contained in:
notaz 2017-10-19 02:38:20 +03:00
parent 759c9d3846
commit 93f9619ed8
47 changed files with 532 additions and 573 deletions
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38
pico/memory_arm.S
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@ -70,7 +70,7 @@ PicoRead8_io: @ u32 a
m_read8_not_io:
and r2, r0, #0xfc00
cmp r2, #0x1000
bne m_read8_not_brq
bne PicoRead8_32x
ldr r3, =Pico
mov r1, r0
@ -92,14 +92,6 @@ m_read8_not_io:
orr r0, r0, r2
bx lr
m_read8_not_brq:
ldr r2, =PicoOpt
ldr r2, [r2]
tst r2, #POPT_EN_32X
bne PicoRead8_32x
mov r0, #0
bx lr
@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
PicoRead16_sram: @ u32 a, u32 d
@ -146,7 +138,7 @@ PicoRead16_io: @ u32 a, u32 d
m_read16_not_io:
and r2, r0, #0xfc00
cmp r2, #0x1000
bne m_read16_not_brq
bne PicoRead16_32x
ldr r3, =Pico
and r2, r0, #0xff00
@ -165,14 +157,6 @@ m_read16_not_io:
orr r0, r0, r2, lsl #8
bx lr
m_read16_not_brq:
ldr r2, =PicoOpt
ldr r2, [r2]
tst r2, #POPT_EN_32X
bne PicoRead16_32x
mov r0, #0
bx lr
@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
PicoWrite8_io: @ u32 a, u32 d
@ -197,7 +181,7 @@ m_write8_not_z80ctl:
eor r2, r0, #0xa10000
eor r2, r2, #0x003000
eors r2, r2, #0x0000f1
bne m_write8_not_sreg
bne PicoWrite8_32x
ldr r3, =Pico
ldrb r2, [r3, #OFS_Pico_m_sram_reg]
and r1, r1, #(SRR_MAPPED|SRR_READONLY)
@ -206,13 +190,6 @@ m_write8_not_z80ctl:
strb r2, [r3, #OFS_Pico_m_sram_reg]
bx lr
m_write8_not_sreg:
ldr r2, =PicoOpt
ldr r2, [r2]
tst r2, #POPT_EN_32X
bne PicoWrite8_32x
bx lr
@ @@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
PicoWrite16_io: @ u32 a, u32 d
@ -234,7 +211,7 @@ m_write16_not_z80ctl:
eor r2, r0, #0xa10000
eor r2, r2, #0x003000
eors r2, r2, #0x0000f0
bne m_write16_not_sreg
bne PicoWrite16_32x
ldr r3, =Pico
ldrb r2, [r3, #OFS_Pico_m_sram_reg]
and r1, r1, #(SRR_MAPPED|SRR_READONLY)
@ -243,13 +220,6 @@ m_write16_not_z80ctl:
strb r2, [r3, #OFS_Pico_m_sram_reg]
bx lr
m_write16_not_sreg:
ldr r2, =PicoOpt
ldr r2, [r2]
tst r2, #POPT_EN_32X
bne PicoWrite16_32x
bx lr
.pool
@ vim:filetype=armasm