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Merge pull request #361 from marshallward/master

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NES memory map amend (16k prg, 8k chr default)
This commit is contained in:
Oliver Schmidt 2016-12-25 12:42:56 +01:00 committed by GitHub
commit 5878155b68
2 changed files with 2 additions and 8 deletions
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4
cfg/nes.cfg
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@ -12,10 +12,10 @@ MEMORY {
# - code
# - rodata
# - data (load)
ROM0: file = %O, start = $8000, size = $7FF4, fill = yes, define = yes;
ROM0: file = %O, start = $8000, size = $7FFA, fill = yes, define = yes;
# Hardware Vectors at End of 2nd 8K ROM
ROMV: file = %O, start = $FFF6, size = $000C, fill = yes;
ROMV: file = %O, start = $FFFA, size = $0006, fill = yes;
# 1 8k CHR Bank
ROM2: file = %O, start = $0000, size = $2000, fill = yes;

6
libsrc/nes/crt0.s
View File

@ -159,9 +159,6 @@ nmi: pha
; Interrupt exit
irq2:
irq1:
timerirq:
irq:
rti
@ -171,9 +168,6 @@ irq:
.segment "VECTORS"
.word irq2 ; $fff4 ?
.word irq1 ; $fff6 ?
.word timerirq ; $fff8 ?
.word nmi ; $fffa vblank nmi
.word start ; $fffc reset
.word irq ; $fffe irq / brk