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annotate runtime_32.S @ 718:eaba6789f316

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Update vscroll latch implementation to be more in line with what Eke-Eke has observed. Revert the change to vdp_cycles_to_line because it breaks hints on line 0. H-Int timing is still a little messed up, but the previous change made things worse.
author Michael Pavone <pavone@retrodev.com>
date Wed, 20 May 2015 10:35:03 -0700
parents 5a6ff0d76032
children
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96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
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2
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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3 invalid_msg:
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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4 .asciz "Invalid instruction at %X\n"
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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6 .global m68k_invalid
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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7 m68k_invalid:
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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8 push %ecx
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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9 push invalid_msg
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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10 xor %eax, %eax
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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11 call printf
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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12 push $1
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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13 call exit
96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
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96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
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96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
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96489fb27dbf Apart from the Z80 core, BlastEm now supports 32-bit x86
Michael Pavone <pavone@retrodev.com>
parents:
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