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https://github.com/RaySollium99/picodrive.git
synced 2025-09-05 15:27:46 -04:00
drZ80: be sure addrs are in range
git-svn-id: file:///home/notaz/opt/svn/PicoDrive@777 be3aeb3a-fb24-0410-a615-afba39da0efa
This commit is contained in:
notaz
parent
6ccf5504a8
commit
5d572e5228
1 changed files with 52 additions and 26 deletions
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@ -6713,7 +6713,8 @@ opcode_DD_2E:
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opcode_DD_34:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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stmfd sp!,{r0} ;@ save addr
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readmem8
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opINC8b
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@ -6724,7 +6725,8 @@ opcode_DD_34:
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opcode_DD_35:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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stmfd sp!,{r0} ;@ save addr
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readmem8
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opDEC8b
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@ -6736,7 +6738,8 @@ opcode_DD_36:
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ldrsb r2,[z80pc],#1
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ldrb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r1,r2,r1, lsr #16
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add r1,r1,r2, lsl #16
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mov r1,r1,lsr #16
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writemem8
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fetch 19
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;@ADD IX,SP
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@ -6767,7 +6770,8 @@ opcode_DD_45:
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opcode_DD_46:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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and z80bc,z80bc,#0xFF<<16
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orr z80bc,z80bc,r0, lsl #24
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@ -6788,7 +6792,8 @@ opcode_DD_4D:
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opcode_DD_4E:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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and z80bc,z80bc,#0xFF<<24
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orr z80bc,z80bc,r0, lsl #16
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@ -6810,7 +6815,8 @@ opcode_DD_55:
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opcode_DD_56:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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and z80de,z80de,#0xFF<<16
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orr z80de,z80de,r0, lsl #24
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@ -6831,7 +6837,8 @@ opcode_DD_5D:
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opcode_DD_5E:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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and z80de,z80de,#0xFF<<24
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orr z80de,z80de,r0, lsl #16
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@ -6868,7 +6875,8 @@ opcode_DD_65:
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opcode_DD_66:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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and z80hl,z80hl,#0xFF<<16
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orr z80hl,z80hl,r0, lsl #24
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@ -6910,7 +6918,8 @@ opcode_DD_6D:
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opcode_DD_6E:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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and z80hl,z80hl,#0xFF<<24
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orr z80hl,z80hl,r0, lsl #16
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@ -6925,7 +6934,8 @@ opcode_DD_6F:
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opcode_DD_70:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r1,r0,r1, lsr #16
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add r1,r1,r0, lsl #16
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mov r1,r1,lsr #16
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mov r0,z80bc, lsr #24
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writemem8
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fetch 19
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@ -6933,7 +6943,8 @@ opcode_DD_70:
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opcode_DD_71:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r1,r0,r1, lsr #16
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add r1,r1,r0, lsl #16
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mov r1,r1,lsr #16
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mov r0,z80bc, lsr #16
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and r0,r0,#0xFF
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writemem8
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@ -6942,7 +6953,8 @@ opcode_DD_71:
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opcode_DD_72:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r1,r0,r1, lsr #16
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add r1,r1,r0, lsl #16
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mov r1,r1,lsr #16
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mov r0,z80de, lsr #24
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writemem8
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fetch 19
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@ -6950,7 +6962,8 @@ opcode_DD_72:
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opcode_DD_73:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r1,r0,r1, lsr #16
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add r1,r1,r0, lsl #16
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mov r1,r1,lsr #16
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mov r0,z80de, lsr #16
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and r0,r0,#0xFF
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writemem8
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@ -6959,7 +6972,8 @@ opcode_DD_73:
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opcode_DD_74:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r1,r0,r1, lsr #16
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add r1,r1,r0, lsl #16
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mov r1,r1,lsr #16
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mov r0,z80hl, lsr #24
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writemem8
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fetch 19
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@ -6967,7 +6981,8 @@ opcode_DD_74:
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opcode_DD_75:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r1,r0,r1, lsr #16
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add r1,r1,r0, lsl #16
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mov r1,r1,lsr #16
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mov r0,z80hl, lsr #16
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and r0,r0,#0xFF
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writemem8
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@ -6976,7 +6991,8 @@ opcode_DD_75:
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opcode_DD_77:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r1,r0,r1, lsr #16
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add r1,r1,r0, lsl #16
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mov r1,r1,lsr #16
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mov r0,z80a, lsr #24
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writemem8
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fetch 19
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@ -6995,7 +7011,8 @@ opcode_DD_7D:
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opcode_DD_7E:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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mov z80a,r0, lsl #24
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fetch 19
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@ -7014,7 +7031,8 @@ opcode_DD_85:
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opcode_DD_86:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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opADDb
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fetch 19
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@ -7033,7 +7051,8 @@ opcode_DD_8D:
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opcode_DD_8E:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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opADCb
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fetch 19
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@ -7052,7 +7071,8 @@ opcode_DD_95:
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opcode_DD_96:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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opSUBb
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fetch 19
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@ -7071,7 +7091,8 @@ opcode_DD_9D:
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opcode_DD_9E:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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opSBCb
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fetch 19
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@ -7090,7 +7111,8 @@ opcode_DD_A5:
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opcode_DD_A6:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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opANDb
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fetch 19
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@ -7109,7 +7131,8 @@ opcode_DD_AD:
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opcode_DD_AE:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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opXORb
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fetch 19
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@ -7128,7 +7151,8 @@ opcode_DD_B5:
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opcode_DD_B6:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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opORb
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fetch 19
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@ -7147,7 +7171,8 @@ opcode_DD_BD:
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opcode_DD_BE:
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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readmem8
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opCPb
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fetch 19
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@ -7159,7 +7184,8 @@ opcode_DD_CB:
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;@moves the PC to the location of the subroutine
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ldrsb r0,[z80pc],#1
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ldr r1,[z80xx]
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add r0,r0,r1, lsr #16
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add r0,r1,r0, lsl #16
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mov r0,r0,lsr #16
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ldrb r1,[z80pc],#1
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ldr pc,[pc,r1, lsl #2]
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