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Bug fix: brannch target calculation was still wrong

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This commit is contained in:
Takashi Toyoshima 2014-12-07 14:36:36 +09:00
parent 21b25243d7
commit 51faf4afb1
1 changed files with 5 additions and 7 deletions
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12
6502.S
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@ -404,7 +404,7 @@
.endm .endm
.macro _bxc reg .macro _bxc reg
adds PC, PC, #1 adds PC, PC, #2
movs r0, #\reg movs r0, #\reg
tst SR, r0 tst SR, r0
bne 1f bne 1f
@ -413,7 +413,7 @@
.endm .endm
.macro _bxs reg .macro _bxs reg
adds PC, PC, #1 adds PC, PC, #2
movs r0, #\reg movs r0, #\reg
tst SR, r0 tst SR, r0
beq 1f beq 1f
@ -422,7 +422,7 @@
.endm .endm
.macro _bxx .macro _bxx
mov r0, PC subs r0, PC, #1
_ldb _ldb
sxtb r0, r0 sxtb r0, r0
add PC, PC, r0 add PC, PC, r0
@ -619,10 +619,8 @@
adds PC, PC, #1 adds PC, PC, #1
.endm .endm
.macro _t a b .macro _t from to
mov r0, \a mov \to, \from
mov \a, \b
mov \b, r0
adds PC, PC, #1 adds PC, PC, #1
.endm .endm