Mercurial > repos > blastem
annotate runtime.S @ 541:a59ac6b4b5b5
Get rid of the native stack option the 68K core. Trying to make it work with code that messes with the stack is not worth the trouble.
author | Michael Pavone <pavone@retrodev.com> |
---|---|
date | Sat, 15 Feb 2014 22:35:18 -0800 |
parents | 4ca826862174 |
children | 5d57fd8b44f8 |
rev | line source |
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17
de0085d4ea40
Add asssembly runtime code stub
Mike Pavone <pavone@retrodev.com>
parents:
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1 |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
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17
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2 .global handle_cycle_limit |
150
3e68e517cc01
Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed.
Mike Pavone <pavone@retrodev.com>
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3 .global do_sync |
18
3e7bfde7606e
M68K to x86 translation works for a limited subset of instructions and addressing modes
Mike Pavone <pavone@retrodev.com>
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17
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4 handle_cycle_limit: |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
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72
diff
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5 cmp 84(%rsi), %eax |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
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6 jb skip_sync |
150
3e68e517cc01
Do a sync when interrupt mask changes so we can recompute the next interrupt cycle. Also fix a bug in which the SR part of ORI to SR was not being performed.
Mike Pavone <pavone@retrodev.com>
parents:
149
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7 do_sync: |
343
467bfa17004a
Mostly working runtime generation of memory map read/write functions
Mike Pavone <pavone@retrodev.com>
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8 push %rcx |
467bfa17004a
Mostly working runtime generation of memory map read/write functions
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9 push %rdi |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
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10 call m68k_save_context |
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
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11 mov %rsi, %rdi |
198
209a37eed3e7
Add support for breaking into the debugger while game is running
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12 xor %esi, %esi |
485
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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13 test $8, %esp |
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Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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14 jnz adjust_rsp |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
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15 call sync_components |
485
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16 jmp done_adjust |
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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17 adjust_rsp: |
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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18 sub $8, %rsp |
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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19 call sync_components |
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20 add $8, %rsp |
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents:
423
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21 done_adjust: |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
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22 mov %rax, %rsi |
3b79cbcf6846
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23 call m68k_load_context |
343
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Mostly working runtime generation of memory map read/write functions
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24 pop %rdi |
467bfa17004a
Mostly working runtime generation of memory map read/write functions
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25 pop %rcx |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
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26 skip_sync: |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
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27 ret |
485
b449af228c63
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28 |
321
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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29 sr_msg_int: |
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Don't update interrupt mask on non-interrupt exceptions
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30 .asciz "SR set to $%X due to interrupt\n" |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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31 debug_print_sr_int: |
146c87616b05
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32 call m68k_save_context |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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33 push %rsi |
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34 lea sr_msg_int(%rip), %rdi |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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35 movzxb 5(%rsi), %rsi |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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36 xor %rax, %rax |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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37 call printf |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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38 pop %rsi |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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39 call m68k_load_context |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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40 ret |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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41 |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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42 sr_msg: |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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43 .asciz "SR set to $%X\n" |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
Mike Pavone <pavone@retrodev.com>
parents:
320
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44 .global debug_print_sr |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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45 debug_print_sr: |
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Don't update interrupt mask on non-interrupt exceptions
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46 call m68k_save_context |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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47 push %rsi |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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48 lea sr_msg(%rip), %rdi |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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49 movzxb 5(%rsi), %rsi |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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50 xor %rax, %rax |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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51 call printf |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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52 pop %rsi |
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
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53 call m68k_load_context |
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Don't update interrupt mask on non-interrupt exceptions
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54 ret |
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e2918b5208eb
Print a message when we try to run an invalid instruction, not when we try to translate it
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55 |
e2918b5208eb
Print a message when we try to run an invalid instruction, not when we try to translate it
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56 invalid_msg: |
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Print a message when we try to run an invalid instruction, not when we try to translate it
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57 .asciz "Invalid instruction at %X\n" |
485
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Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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58 |
176
e2918b5208eb
Print a message when we try to run an invalid instruction, not when we try to translate it
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59 .global m68k_invalid |
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60 m68k_invalid: |
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61 lea invalid_msg(%rip), %rdi |
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62 mov %ecx, %esi |
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63 xor %rax, %rax |
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Print a message when we try to run an invalid instruction, not when we try to translate it
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64 call printf |
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Print a message when we try to run an invalid instruction, not when we try to translate it
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65 mov $1, %rdi |
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66 call exit |
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811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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67 |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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68 .global bcd_add |
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69 bcd_add: |
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70 xchg %rax, %rdi |
485
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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71 |
194
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Implement ABCD an SBCD. Fix BTEST with register source.
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72 mov %cl, %ch |
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73 mov %al, %ah |
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74 and $0xF, %ch |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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75 and $0xF, %ah |
811163790e6c
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76 and $0xF0, %cl |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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77 and $0xF0, %al |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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78 add %ah, %ch |
811163790e6c
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79 cmp $10, %ch |
811163790e6c
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80 jb no_adjust |
811163790e6c
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81 add $6, %ch |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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82 no_adjust: |
811163790e6c
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83 add %ch, %al |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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84 add %al, %cl |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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85 mov $0, %ch |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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86 jc def_adjust |
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Implement ABCD an SBCD. Fix BTEST with register source.
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87 cmp $0xA0, %cl |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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88 jb no_adjust_h |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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89 def_adjust: |
811163790e6c
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90 add $0x60, %cl |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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91 mov $1, %ch |
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92 no_adjust_h: |
485
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
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93 |
194
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Implement ABCD an SBCD. Fix BTEST with register source.
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94 mov %rdi, %rax |
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95 ret |
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96 |
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Implement ABCD an SBCD. Fix BTEST with register source.
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97 .global bcd_sub |
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98 bcd_sub: |
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99 xchg %rax, %rdi |
485
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100 |
194
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Implement ABCD an SBCD. Fix BTEST with register source.
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101 mov %cl, %ch |
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Implement ABCD an SBCD. Fix BTEST with register source.
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102 mov %al, %ah |
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Implement ABCD an SBCD. Fix BTEST with register source.
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103 and $0xF, %ch |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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104 and $0xF, %ah |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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105 and $0xF0, %cl |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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193
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106 and $0xF0, %al |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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107 sub %ah, %ch |
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Implement ABCD an SBCD. Fix BTEST with register source.
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108 cmp $10, %ch |
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Implement ABCD an SBCD. Fix BTEST with register source.
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109 jb no_adjusts |
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Implement ABCD an SBCD. Fix BTEST with register source.
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110 sub $6, %ch |
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Implement ABCD an SBCD. Fix BTEST with register source.
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111 no_adjusts: |
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112 add %ch, %cl |
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113 sub %al, %cl |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
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114 mov $0, %ch |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
Mike Pavone <pavone@retrodev.com>
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diff
changeset
|
115 jc def_adjusts |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
Mike Pavone <pavone@retrodev.com>
parents:
193
diff
changeset
|
116 cmp $0xA0, %cl |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
Mike Pavone <pavone@retrodev.com>
parents:
193
diff
changeset
|
117 jb no_adjust_hs |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
Mike Pavone <pavone@retrodev.com>
parents:
193
diff
changeset
|
118 def_adjusts: |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
Mike Pavone <pavone@retrodev.com>
parents:
193
diff
changeset
|
119 sub $0x60, %cl |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
Mike Pavone <pavone@retrodev.com>
parents:
193
diff
changeset
|
120 mov $1, %ch |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
Mike Pavone <pavone@retrodev.com>
parents:
193
diff
changeset
|
121 no_adjust_hs: |
485
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents:
423
diff
changeset
|
122 |
194
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
Mike Pavone <pavone@retrodev.com>
parents:
193
diff
changeset
|
123 mov %rdi, %rax |
811163790e6c
Implement ABCD an SBCD. Fix BTEST with register source.
Mike Pavone <pavone@retrodev.com>
parents:
193
diff
changeset
|
124 ret |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
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|
125 |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
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|
126 .global get_sr |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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|
127 get_sr: |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
128 mov 5(%rsi), %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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changeset
|
129 shl $8, %cx |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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changeset
|
130 mov (%rsi), %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
131 shl $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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|
132 or %bl, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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changeset
|
133 shl $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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changeset
|
134 or %dl, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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changeset
|
135 shl $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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changeset
|
136 or %bh, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
137 shl $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
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|
138 or %dh, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
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changeset
|
139 ret |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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changeset
|
140 |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
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|
141 .global set_sr |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
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changeset
|
142 set_sr: |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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diff
changeset
|
143 mov %cl, %dh |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
144 and $1, %dh |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
145 shr $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
146 mov %cl, %bh |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
147 and $1, %bh |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
148 shr $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
149 mov %cl, %dl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
150 and $1, %dl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
151 shr $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
152 mov %cl, %bl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
153 and $1, %bl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
154 shr $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
155 and $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
156 mov %cl, (%rsi) |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
157 shr $8, %cx |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
158 mov %cl, 5(%rsi) |
321
146c87616b05
Don't update interrupt mask on non-interrupt exceptions
Mike Pavone <pavone@retrodev.com>
parents:
320
diff
changeset
|
159 /* call debug_print_sr */ |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
160 ret |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
161 |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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changeset
|
162 .global set_ccr |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
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changeset
|
163 set_ccr: |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
164 mov %cl, %dh |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
165 and $1, %dh |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
166 shr $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
167 mov %cl, %bh |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
168 and $1, %bh |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
169 shr $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
170 mov %cl, %dl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
171 and $1, %dl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
172 shr $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
173 mov %cl, %bl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
174 and $1, %bl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
175 shr $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
176 and $1, %cl |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
177 mov %cl, (%rsi) |
54
3b79cbcf6846
Get Flavio's color bar demo kind of sort of working
Mike Pavone <pavone@retrodev.com>
parents:
53
diff
changeset
|
178 ret |
485
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents:
423
diff
changeset
|
179 |
86
3d3966c254b2
RTE doesn't crash the emulator anymore
Mike Pavone <pavone@retrodev.com>
parents:
85
diff
changeset
|
180 .global m68k_native_addr_and_sync |
3d3966c254b2
RTE doesn't crash the emulator anymore
Mike Pavone <pavone@retrodev.com>
parents:
85
diff
changeset
|
181 m68k_native_addr_and_sync: |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
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changeset
|
182 call m68k_save_context |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
183 push %rcx |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
184 mov %rsi, %rdi |
198
209a37eed3e7
Add support for breaking into the debugger while game is running
Mike Pavone <pavone@retrodev.com>
parents:
194
diff
changeset
|
185 xor %esi, %esi |
485
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents:
423
diff
changeset
|
186 test $8, %rsp |
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents:
423
diff
changeset
|
187 jnz adjust_rsp_na |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
188 call sync_components |
485
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents:
423
diff
changeset
|
189 jmp no_adjust_rsp_na |
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents:
423
diff
changeset
|
190 adjust_rsp_na: |
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents:
423
diff
changeset
|
191 sub $8, %rsp |
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents:
423
diff
changeset
|
192 call sync_components |
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents:
423
diff
changeset
|
193 add $8, %rsp |
b449af228c63
Follow amd64 ABI stack alignment requirements in places it matters so we can call sprintf with floating point arguments without crashing
Mike Pavone <pavone@retrodev.com>
parents:
423
diff
changeset
|
194 no_adjust_rsp_na: |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
195 pop %rsi |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
196 push %rax |
95
dd3c680c618c
Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding
Mike Pavone <pavone@retrodev.com>
parents:
87
diff
changeset
|
197 mov %rax, %rdi |
dd3c680c618c
Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding
Mike Pavone <pavone@retrodev.com>
parents:
87
diff
changeset
|
198 call get_native_address_trans |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
199 mov %rax, %rcx |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
200 pop %rsi |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
201 call m68k_load_context |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
202 ret |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
203 |
86
3d3966c254b2
RTE doesn't crash the emulator anymore
Mike Pavone <pavone@retrodev.com>
parents:
85
diff
changeset
|
204 .global m68k_native_addr |
3d3966c254b2
RTE doesn't crash the emulator anymore
Mike Pavone <pavone@retrodev.com>
parents:
85
diff
changeset
|
205 m68k_native_addr: |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
206 call m68k_save_context |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
207 push %rsi |
95
dd3c680c618c
Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding
Mike Pavone <pavone@retrodev.com>
parents:
87
diff
changeset
|
208 mov %rsi, %rdi |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
209 mov %ecx, %esi |
95
dd3c680c618c
Initial work on allowing dynamic branches and code in RAM plus a small fix to effective address decoding
Mike Pavone <pavone@retrodev.com>
parents:
87
diff
changeset
|
210 call get_native_address_trans |
82
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
211 mov %rax, %rcx |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
212 pop %rsi |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
Mike Pavone <pavone@retrodev.com>
parents:
72
diff
changeset
|
213 call m68k_load_context |
6331ddec228f
Initial stab at interrupt support. Make native code offsets bigger so I don't have to worry about overflowing the offset. Implement neg and not (untested).
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214 ret |
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215 |
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216 .global m68k_retrans_stub |
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217 m68k_retrans_stub: |
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218 call m68k_save_context |
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219 push %rsi |
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220 call m68k_retranslate_inst |
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221 pop %rsi |
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222 mov %rax, %rcx |
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223 call m68k_load_context |
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224 jmp *%rcx |
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225 |
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226 .global m68k_save_context |
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227 m68k_save_context: |
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228 mov %bl, 1(%rsi) /* N Flag */ |
207 | 229 mov %dl, 2(%rsi) /* Z flag */ |
230 mov %bh, 3(%rsi) /* V flag */ | |
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231 mov %dh, 4(%rsi) /* C flag */ |
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232 mov %r10d, 8(%rsi) /* d0 */ |
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233 mov %r11d, 12(%rsi) /* d1 */ |
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234 mov %r12d, 16(%rsi) /* d2 */ |
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235 mov %r8d, 20(%rsi) /* d3 */ |
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236 mov %r13d, 40(%rsi) /* a0 */ |
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237 mov %r14d, 44(%rsi) /* a1 */ |
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238 mov %r9d, 48(%rsi) /* a2 */ |
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239 mov %r15d, 68(%rsi) /* a7 */ |
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240 mov %eax, 80(%rsi) /* current cycle count */ |
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241 ret |
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242 |
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243 .global m68k_load_context |
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244 m68k_load_context: |
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245 mov 1(%rsi), %bl /* N Flag */ |
207 | 246 mov 2(%rsi), %dl /* Z flag */ |
247 mov 3(%rsi), %bh /* V flag */ | |
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248 mov 4(%rsi), %dh /* C flag */ |
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249 mov 8(%rsi), %r10d /* d0 */ |
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250 mov 12(%rsi), %r11d /* d1 */ |
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251 mov 16(%rsi), %r12d /* d2 */ |
423
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252 mov 20(%rsi), %r8d /* d3 */ |
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253 mov 40(%rsi), %r13d /* a0 */ |
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254 mov 44(%rsi), %r14d /* a1 */ |
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255 mov 48(%rsi), %r9d /* a2 */ |
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256 mov 68(%rsi), %r15d /* a7 */ |
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257 mov 76(%rsi), %ebp /* target cycle count */ |
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258 mov 80(%rsi), %eax /* current cycle count */ |
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259 ret |
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260 |